File layout for File 3 (Records are comma-delimited. First line contains a list of variables on the file. The remaining lines contain the values of the variables with fixed column positions.) Variables on all files DOEID '4-digit identification number' Columns 1-4 NWEIGHT 'The Final Weight' Columns 6-11 MQRESULT 'Mail Questionnaire Codes' Columns 13 REGIONC 'Census Region' Columns 15 DIVISION 'Census Division' Columns 17 LRGSTATE 'Four Largest States' Columns 19 CDD65 'Cooling Degree-Days to base 65, 1-97 TO 12-97' Columns 21-24 HDD65 'Heating Degree-Days to base 65, 1-97 TO 12-97' Columns 26-30 TYPEHUQ 'Type of Home: as report by Respondent' Columns 32 Variables in File 3 only. CWASHER 'Use Auto Clothes Washer' Columns 34 WASHLOAD 'Laundry Washed Per Week' Columns 36 ZWASHLOA 'Imputation Flag for WASHLOAD' Columns 38 DRYER 'Use Clothes Dryer' Columns 40 ZDRYER 'Imputation Flag for DRYER' Columns 42 DRYRFUEL 'Clothes Dryer Fuel' Columns 44-45 ZDRYRFUE 'Imputation Flag for DRYRFUEL' Columns 47 DRYRUSE 'Frequency of dryer Use' Columns 49 ZDRYRUSE 'Imputation Flag for DRYRUSE' Columns 51 WATERBED 'Use Waterbed Heaters'` Columns 53 NOWTBDHT 'Number Of Waterbed Heaters' Columns 55 WTBEDUSE 'Waterbed heaters Used All year' Columns 57 CFAN 'Used Ceiling Fan' Columns 59 NUMCFAN 'Number of Ceiling Fans Used' Columns 61-62 SWIMPOOL 'Have Pool With Filtering System' Columns 64 POOL 'Have Heated Swimming Pool' Columns 66 FUELPOOL 'Fuel Used To Heat Pool' Columns 68-69 RECBATH 'Heated Hot Tub/spa/Jacuzzi' Columns 71 ZRECBATH 'Imputation Flag for RECBATH' Columns 73 FUELTUB 'Fuel Used To Heat Recbath' Columns 75-76 TVCOLOR 'Number Of Color Televisions Used' Columns 78-79 ZTVCOLOR 'Imputation Flag for TVCOLOR' Columns 81 VCR 'Number Of VCRS Used' Columns 83-84 ZVCR 'Imputation Flag for VCR' Columns 86 WELLPUMP 'Use Electric Pump for Well' Columns 88 ZWELLPUM 'Imputation Flag for WELLPUMP' Columns 90 AQUARIUM 'Use 20+ Gallon Heated Aquarium' Columns 92 NOCORD 'Use Cordless Telephone' Columns 94 ANSMACH 'Use Answering Machine' Columns 96 STEREO 'Use Stereo Equipment' Columns 98 BATTOOLS 'Use Portable Appliances/tools' Columns 100 BATCHRG 'How Portable Appliances Maintained' Columns 102 ZBATCHRG 'Imputation Flag for BATCHRG' Columns 104 COMPUTER 'Use personal Computer' Columns 106 ZCOMPUTE 'Imputation Flag for COMPUTER' Columns 108 MULTPC 'More Than One PC Used' Columns 110 NUMPC 'Number PCS Used' Columns 112-113 MODEM 'Use Modem' Columns 115 ZMODEM 'Imputation Flag for MODEM' Columns 117 PRINTER 'Use Laser Printer for PC' Columns 119 ZPRINTER 'Imputation Flag for PRINTER' Columns 121 FAX 'Use Separate Fax Machine' Columns 123 ZFAX 'Imputation Flag for FAX' Columns 125 COPIER 'Use Photocopier' Columns 127 ZCOPIER 'Imputation Flag for COPIER' Columns 129 PCUSE 'Weekly Hours PC Turned On' Columns 131 ZPCUSE 'Imputation Flag for PCUSE' Columns 133 PCTASK 'Main Use of PC' Columns 135 TELECOM 'PC Used to Telecommute' Columns 137 ZTELECOM 'Imputation Flag for TELECOM' Columns 139 TELLDAYS 'Days PC Used To Telecommute' Columns 141-142 ZTELLDAY 'Imputation Flag for TELECOM' Columns 144 Codebook for File 3 Variables DOEID, NWEIGHT, MQRESULT, REGIONC, DIVISION, LRGSTATE CDD65, HDD65, and TYPEHUQ are on all files. DOEID '4-digit identification number' Columns 1-4 Included in all files Numerical Variable Variable length: 4 The variable DOEID will be on all files. Each respondent is assigned an unique value of DOEID. It can be used to merge data from one file with data from another file. Minimum Value: 1,001 Maximum Value: 6,903 NWEIGHT 'The Final Weight' Columns 6-11 Included in all files Numerical Variable Variable length: 6 Minimum Value: 3,841 Maximum Value: 79,878 The sample design for RECS is not a simple random sample. Conse- quently, to estimate the number or percent of households/housing units with a certain characteristic, the sampling weight should be used. The variable NWEIGHT is the sampling weight for the observation. It is approximately the inverse of the probability of selection. It gives the number of households that the response represents in the sample. For most categorical variables, the codebooks contain both the unweighted frequency and the weighted frequency. The unweighted frequency gives the number of observations, the weighted frequency gives survey estimate of the number of households/housing units for each possible value of the variable. The weighted frequencies are rounded to the nearest 100,000 households. This is the limit of the accuracy for RECS. When the unweighted frequency is less than 10 or the weighted frequency is less than 150,000; then weighted frequency is suppressed. A 'Q' is placed in the frequency to denote that the number is suppressed. This indicates that there are too few observation upon which to determine an accurate estimate. MQRESULT 'Mail Questionnaire Codes' Columns 13 Included in all files Categorical Variable Variable length 1 Mail Questionnaire (MQ) Authorization Form (AF) Personal Interview (PI) 1 = MQ Completed, AF Signed 2 = MQ Completed, AF not required 7 = MQ returned after a PI was completed 8 = PI was completed after MQ was returned 9 = Not Applicable Number Weighted Of Number of Value Observations Households 1 173 3,400,000 2 8 Q 7 1 Q 8 12 200,000 9 5,706 97,600,000 Q = Data withheld because fewer than 10 observation in the category. When MQRESULT equals 1 or 2, the household and housing unit data was not obtained via a personal interview. The data were obtained using a shortened mail questionnaire. A hot-deck imputation procedure was used to match each mail respondent to a personal interview respondent. The critical matching variables were FUELHEAT, FUELH2O, TYPECOOL, TYPEHUQ, and REGIONC. Additional variables used in a scoring function to determine the best match were MONEYPY, NHSLDMEM, VEHICLES, HHAGE, and TOTROOMS. The remaining household/housing unit characteristics for the mail respondents were determined by the values of the matched personal interview respondent. The energy consumption and expenditures data for the mail respondents was based upon data obtained from their energy suppliers. It was not imputed using a hot deck procedure. Questionnaire data from personal interview respondents sometime is missing and needs to be imputed. 'Z' variables are used to indicate the presence of imputed data. For example, if ZURBRUR = 0 then URBRUR was not imputed. If ZURBRUR = 1 then URBRUR was imputed. Census Division/Region: A geographic area consisting of several States defined by the U.S. Department of Commerce, Bureau of the Census. The States are grouped into nine divisions and four regions. Region Division States Northeast New England Connecticut, Maine, Massachusetts, New Hampshire, Vermont, and Rhode Island Middle Atlantic New Jersey, New York, and Pennsylvania Midwest East North Central Illinois, Indiana, Michigan, Ohio, and Wisconsin West North Central Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, and South Dakota South South Atlantic Delaware, the District of Columbia, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, and West Virginia East South Central Alabama, Kentucky, Mississippi, and Tennessee West South Central Arkansas, Louisiana, Oklahoma, and Texas West Mountain Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, and Wyoming Pacific Alaska, California, Hawaii, Oregon, and Washington REGIONC 'Census Region' Columns 15 Included in all files Categorical Variable Variable length 1 1 = Northeast Census Region 2 = Midwest Census Region 3 = South Census Region 4 = West Census Region Number Weighted Of Number of Value Observations Households 1 1,332 19,700,000 2 1,234 24,100,000 3 1,979 35,900,000 4 1,355 21,800,000 DIVISION 'Census Division' Columns 17 Included in all files Categorical Variable Variable length 1 1 = New England Census Division 2 = Middle Atlantic Census Division 3 = East North Central Census Division 4 = West North Central Census Division 5 = South Atlantic Census Division 6 = East South Central Census Division 7 = West South Central Census Division 8 = Mountain Census Division 9 = Pacific Census Division Number Weighted Of Number of Value Observations Households 1 490 5,300,000 2 842 14,400,000 3 783 16,900,000 4 451 7,200,000 5 871 18,700,000 6 527 6,300,000 7 581 10,800,000 8 466 6,200,000 9 889 15,600,000 LRGSTATE 'Four Largest States' Columns 19 Included in all files Categorical Variable Variable length 1 0 = Other 1 = New York State 2 = California 3 = Texas 4 = Florida Number Weighted Of Number of Value Observations Households 0 4,258 70,300,000 1 399 6,800,000 2 609 11,500,000 3 369 7,000,000 4 265 5,900,000 CDD65 and HDD65 are weather data. The values of CDD65 and HDD65 were based upon data obtained from the NOAA. A random error was added to both HDD65 and CDD65 to mask the location of the weather station from which the data was obtained. CDD65 'Cooling Degree-Days to base 65, 1-97 TO 12-97' Columns 21-24 Included in all files Numerical Variable Variable length 4 Minimum Value: 0 Maximum Value: 5,954 HDD65 'Heating Degree-Days to base 65, 1-97 TO 12-97' Columns 26-30 Included in all files Numerical Variable Variable length 5 Minimum Value: 0 Maximum Value: 11,672 Cooling degree days are the number of degrees the average daily temperature (ADT) is above the base temperature. Heating degree days are the number of degrees the ADT is below the base temperature. To calculate daily degree days (base 65 degrees): ADT = (daily high + daily low)/2 CDD(daily) = 0 if ADT <= 65 = ADT - 65 if ADT > 65 HDD(daily) = 0 if ADT >= 65 = 65 - ADT if ADT < 65. Annual degrees days are calculated by summing the daily degree days. The .5 is carried over in the summation. The total is rounded up after the summation. TYPEHUQ 'Type of Home: as report by Respondent' Columns 32 Included in all files Categorical Variable Variable length: 1 Question (A-2B) different than RECS93 Variable was constructed form responses to questions A-2A, A-2B, A-5, and A-9 Responses TYPEHUQ1, TYPEHUQ2, TYPEHUQ3, and TYPEHUQ4 Imputed for Nonresponse There is a fine line between the definitions of various types of housing units. The distinction between a single-family attached unit and a unit in an apartment building is particularly complex. The collection and editing of the data on housing type changed from the paper-and-pencil questionnaire for the 1993 RECS to the CAPI questionnaire for the 1997 RECS. The change in the data collection and editing procedures may have contributed to changes in the survey results. For example, the estimated number of occupied single-family attached units increased from 7.3 million for the 1993 RECS to 10.0 million for the 1997 RECS. Conversely, the number of occupied housing units in buildings with two to four units decreased from 8.0 million for the 1993 RECS to 5.6 million for the 1997 RECS. 1 = Mobile Home 2 = Single-Family detached 3 = Single-Family Attached 4 = Apartment in Building containing 2-4 units 5 = Apartment in Building Containing 5 or more units Number Weighted Of Number of Value Observations Households 1 402 6,300,000 2 3,661 63,800,000 3 552 9,900,000 4 351 5,600,000 5 934 15,800,000 The remaining variables are present only on file 3. CWASHER 'Use Auto Clothes Washer' Columns 34 Categorical Variable Variable length 1 Question C-1A Question same as RECS93 0 = No 1 = Yes Number Weighted Of Number of Value Observations Households 0 1,401 22,900,000 1 4,499 78,500,000 WASHLOAD 'Laundry Washed Per Week' Columns 36 Categorical Variable Variable length 1 Question C-1B Question same as RECS93 Imputed for Nonresponse 1 = 1 Load A Week Or Less 2 = 2 To 4 Loads 3 = 5 To 9 Loads 4 = 10 To 15 Loads 5 = More Than 15 Loads 9 = Not Applicable Number Weighted Of Number of Value Observations Households 1 297 5,300,000 2 1,667 29,800,000 3 1,740 30,000,000 4 589 10,200,000 5 206 3,300,000 9 1,401 22,900,000 ZWASHLOA 'Imputation Flag for WASHLOAD' Columns 38 Categorical Variable Variable length 1 0 = WASHLOAD not imputed 1 = WASHLOAD imputed Number Weighted Of Number of Value Observations Households 0 5,890 101,300,000 1 10 200,000 DRYER 'Use Clothes Dryer' Columns 40 Categorical Variable Variable length 1 Question C-2A Question same as RECS93 Imputed for Nonresponse 0 = No 1 = Yes Number Weighted Of Number of Value Observations Households 0 1,836 29,300,000 1 4,064 72,200,000 ZDRYER 'Imputation Flag for DRYER' Columns 42 Categorical Variable Variable length 1 0 = DRYER not imputed 1 = DRYER imputed Number Weighted Of Number of Value Observations Households 0 5,899 101,400,000 1 1 Q Q = Data withheld because fewer than 10 observation in the category. DRYRFUEL 'Clothes Dryer Fuel' Columns 44-45 Categorical Variable Variable length 2 Question C-2B Question first used in 1997 RECS Imputed for Nonresponse 1 = Natural Gas From Underground Pipes 2 = Bottled Gas (LPG Or propane) 5 = Electricity 21 = Some Other Fuel 99 = Not Applicable Number Weighted Of Number of Value Observations Households 1 788 15,400,000 2 60 800,000 5 3,226 55,900,000 99 1,836 29,300,000 ZDRYRFUE 'Imputation Flag for DRYRFUEL' Columns 47 Categorical Variable Variable length 1 0 = DRYRFUEL not imputed 1 = DRYRFUEL imputed Number Weighted Of Number of Value Observations Households 0 5,898 101,400,000 1 2 Q Q = Data withheld because fewer than 10 observation in the category. DRYRUSE 'Frequency of dryer Use' Columns 49 Categorical Variable Variable length 1 Question C-2C Question first used in 1997 RECS Imputed for Nonresponse 1 = Use It Every Time You wash Clothes 2 = Use It for Some, But Not All, Laods Of Wash 3 = Use It Infrequently 9 = Not Applicable Number Weighted Of Number of Value Observations Households 1 3,137 57,100,000 2 785 13,000,000 3 142 2,200,000 9 1,836 29,300,000 ZDRYRUSE 'Imputation Flag for DRYRUSE' Columns 51 Categorical Variable Variable length 1 0 = DRYRUSE not imputed 1 = DRYRUSE imputed Number Weighted Of Number of Value Observations Households 0 5,897 101,400,000 1 3 Q Q = Data withheld because fewer than 10 observation in the category. WATERBED 'Use Waterbed Heaters'` Columns 53 Categorical Variable Variable length 1 Question C-3A Question same as RECS93 0 = No 1 = Yes Number Weighted Of Number of Value Observations Households 0 5,418 93,100,000 1 482 8,400,000 NOWTBDHT 'Number Of Waterbed Heaters' Columns 55 Categorical Variable Variable length 1 Question C-3B Question different than RECS93 0 = None/Not Applicable 1 = One 2 = Two 3 = Three 4 = Four Number Weighted Of Number of Value Observations Households 0 5,418 93,100,000 1 401 6,900,000 2 67 1,200,000 3 13 200,000 4 1 Q Q = Data withheld because fewer than 10 observation in the category. WTBEDUSE 'Waterbed heaters Used All year' Columns 57 Categorical Variable Variable length 1 Question C-3C Question different than RECS93 0 = None/Not Applicable 1 = One 2 = Two 3 = Three 4 = Four Number Weighted Of Number of Value Observations Households 0 5,478 94,000,000 1 361 6,400,000 2 52 900,000 3 8 Q 4 1 Q Q = Data withheld because fewer than 10 observation in the category. CFAN 'Used Ceiling Fan' Columns 59 Categorical Variable Variable length 1 Question C-4A Question different than RECS93 RECS 93 Asked Specifically About Use During Last Summer 0 = No 1 = Yes Number Weighted Of Number of Value Observations Households 0 2,423 39,800,000 1 3,477 61,700,000 NUMCFAN 'Number of Ceiling Fans Used' Columns 61-62 Categorical Variable Variable length 2 Question C-4B Question same as RECS93 0 = None/Not Applicable 1 = One 2 = Two 3 = Three 4 = Four 5 = Five 6 = Six 7 = Seven 8 = Eight 9 = Nine 10 = Ten 11 = Eleven Number Weighted Of Number of Value Observations Households 0 2,423 39,800,000 1 1,373 23,600,000 2 781 14,000,000 3 478 8,300,000 4 379 7,000,000 5 255 4,700,000 6 127 2,400,000 7 44 900,000 8 22 400,000 9 9 Q 10 8 Q 11 1 Q Q = Data withheld because fewer than 10 observation in the category. SWIMPOOL 'Have Pool With Filtering System' Columns 64 Categorical Variable Variable length 1 Question C-5A Question same as RECS93 0 = No 1 = Yes 9 = Not Applicable Number Weighted Of Number of Value Observations Households 0 3,913 68,300,000 1 300 5,500,000 9 1,687 27,700,000 POOL 'Have Heated Swimming Pool' Columns 66 Categorical Variable Variable length 1 Question C-5B Question same as RECS93 0 = No 1 = Yes 9 = Not Applicable Number Weighted Of Number of Value Observations Households 0 250 4,400,000 1 50 1,100,000 9 5,600 96,000,000 FUELPOOL 'Fuel Used To Heat Pool' Columns 68-69 Categorical Variable Variable length 2 Question C-5C Question different than RECS93 RECS 97 Answer Options More Limited 1 = Natural Gas From Under Ground pipes 2 = Bottled Gas (LPG Or propane) 5 = Electricity 8 = Solar 21 = Other 99 = Not Applicable Number Weighted Of Number of Value Observations Households 1 29 700,000 2 7 Q 5 6 Q 8 6 Q 21 2 Q 99 5,850 100,400,000 Q = Data withheld because fewer than 10 observation in the category. RECBATH 'Heated Hot Tub/spa/Jacuzzi' Columns 71 Categorical Variable Variable length 1 Question C-6A Question same as RECS93 Imputed for Nonresponse 0 = No 1 = Yes Number Weighted Of Number of Value Observations Households 0 5,701 97,500,000 1 199 4,000,000 ZRECBATH 'Imputation Flag for RECBATH' Columns 73 Categorical Variable Variable length 1 0 = RECBATH not imputed 1 = RECBATH imputed Number Weighted Of Number of Value Observations Households 0 5,899 101,400,000 1 1 Q Q = Data withheld because fewer than 10 observation in the category. FUELTUB 'Fuel Used To Heat Recbath' Columns 75-76 Categorical Variable Variable length 2 Question C-6B Question different than RECS93 RECS 97 Answer Options More Limited 1 = Natural Gas from Under Ground pipes 2 = Bottled Gas (LPG or propane) 3 = Fuel Oil (Volunteered) 5 = Electricity 99 = Not Applicable Number Weighted Of Number of Value Observations Households 1 46 1,200,000 2 9 Q 3 4 Q 5 140 2,700,000 99 5,701 97,500,000 Q = Data withheld because fewer than 10 observation in the category. TVCOLOR 'Number Of Color Televisions Used' Columns 78-79 Categorical Variable Variable length 2 Question C-7A Question same as RECS93 Imputed for Nonresponse 0 = None 1 = One 2 = Two 3 = Three 4 = Four 5 = Five 6 = Six 7 = Seven 8 = Eight 9 = Nine 10 = Ten 11 = Eleven 12 = Twelve Number Weighted Of Number of Value Observations Households 0 80 1,300,000 1 1,966 32,300,000 2 2,157 37,900,000 3 1,113 19,400,000 4 432 7,800,000 5 102 1,900,000 6 34 600,000 7 11 200,000 10 1 Q 11 3 Q 12 1 Q Q = Data withheld because fewer than 10 observation in the category. ZTVCOLOR 'Imputation Flag for TVCOLOR' Columns 81 Categorical Variable Variable length 1 0 = TVCOLOR not imputed 1 = TVCOLOR imputed Number Weighted Of Number of Value Observations Households 0 5,897 101,400,000 1 3 Q Q = Data withheld because fewer than 10 observation in the category. VCR 'Number Of VCRS Used' Columns 83-84 Categorical Variable Variable length 2 Question C-7B Question New TO RECS93 Imputed for Nonresponse 0 = None 1 = One 2 = Two 3 = Three 4 = Four 5 = Five 6 = Six 7 = Seven 10 = Ten 11 = Eleven Number Weighted Of Number of Value Observations Households 0 789 12,600,000 1 3,284 56,300,000 2 1,431 25,200,000 3 297 5,300,000 4 60 1,200,000 5 19 400,000 6 10 200,000 7 2 Q 10 2 Q 11 6 Q Q = Data withheld because fewer than 10 observation in the category. ZVCR 'Imputation Flag for VCR' Columns 86 Categorical Variable Variable length 1 0 = VCR not imputed 1 = VCR imputed Number Weighted Of Number of Value Observations Households 0 5,895 101,400,000 1 5 Q Q = Data withheld because fewer than 10 observation in the category. WELLPUMP 'Use Electric Pump for Well' Columns 88 Categorical Variable Variable length 1 Question C-8A Question same as RECS93 Imputed for Nonresponse 0 = No 1 = Yes Number Weighted Of Number of Value Observations Households 0 5,073 87,100,000 1 827 14,300,000 ZWELLPUM 'Imputation Flag for WELLPUMP' Columns 90 Categorical Variable Variable length 1 0 = WELLPUMP not imputed 1 = WELLPUMP imputed Number Weighted Of Number of Value Observations Households 0 5,879 101,100,000 1 21 400,000 AQUARIUM 'Use 20+ Gallon Heated Aquarium' Columns 92 Categorical Variable Variable length 1 Question C-8C Question same as RECS93 0 = No 1 = Yes Number Weighted Of Number of Value Observations Households 0 5,681 97,600,000 1 219 3,900,000 NOCORD 'Use Cordless Telephone' Columns 94 Categorical Variable Variable length 1 Question C-9A Question first used in 1997 RECS 0 = No 1 = Yes Number Weighted Of Number of Value Observations Households 0 2,408 39,200,000 1 3,492 62,300,000 ANSMACH 'Use Answering Machine' Columns 96 Categorical Variable Variable length 1 Question C-9B Question first used in 1997 RECS 0 = No 1 = Yes Number Weighted Of Number of Value Observations Households 0 2,598 42,200,000 1 3,302 59,300,000 STEREO 'Use Stereo Equipment' Columns 98 Categorical Variable Variable length 1 Question C-9C Question first Used in 1997 RECS 0 = No 1 = Yes Number Weighted Of Number of Value Observations Households 0 1,899 31,700,000 1 4,001 69,800,000 BATTOOLS 'Use Portable Appliances/tools' Columns 100 Categorical Variable Variable length 1 Question C-9D1 Question first used in 1997 RECS 0 = No 1 = Yes Number Weighted Of Number of Value Observations Households 0 3,398 57,100,000 1 2,502 44,400,000 BATCHRG 'How Portable Appliances Maintained' Columns 102 Categorical Variable Variable length 1 Question C-9D2 Question first used in 1997 RECS Imputed for Nonresponse 1 = Keep Them Plugged in All The Time 2 = Recharge Them as Needed 3 = Both Ways Are Used 9 = Not Applicable Number Weighted Of Number of Value Observations Households 1 680 12,500,000 2 1,535 27,000,000 3 287 4,900,000 9 3,398 57,100,000 ZBATCHRG 'Imputation Flag for BATCHRG' Columns 104 Categorical Variable Variable length 1 0 = BATCHRG not imputed 1 = BATCHRG imputed Number Weighted Of Number of Value Observations Households 0 5,892 101,300,000 1 8 Q Q = Data withheld because fewer than 10 observation in the category. COMPUTER 'Use personal Computer' Columns 106 Categorical Variable Variable length 1 Question C-10A Question same as RECS93 Imputed for Nonresponse 0 = No 1 = Yes Number Weighted Of Number of Value Observations Households 0 3,973 65,900,000 1 1,927 35,600,000 ZCOMPUTE 'Imputation Flag for COMPUTER' Columns 108 Categorical Variable Variable length 1 0 = COMPUTER not imputed 1 = COMPUTER imputed Number Weighted Of Number of Value Observations Households 0 5,897 101,400,000 1 3 Q Q = Data withheld because fewer than 10 observation in the category. MULTPC 'More Than One PC Used' Columns 110 Categorical Variable Variable length 1 Question C-10B Question first used in 1997 RECS 0 = No 1 = Yes 9 = Not Applicable Number Weighted Of Number of Value Observations Households 0 1,623 29,600,000 1 304 5,900,000 9 3,973 65,900,000 NUMPC 'Number PCS Used' Columns 112-113 Numercial Variable length 2 Question C-10C Question first used in 1997 RECS Number Weighted Of Number of Value Observations Households 0 3,973 65,900,000 1 1,623 29,600,000 2 252 4,900,000 3 38 700,000 4 11 200,000 5 3 Q Q = Data withheld because fewer than 10 observation in the category. MODEM 'Use Modem' Columns 115 Categorical Variable Variable length 1 Question C-10D Question different than RECS93 Imputed for Nonresponse 0 = No 1 = Yes 9 = Not Applicable Number Weighted Of Number of Value Observations Households 0 823 14,900,000 1 1,104 20,700,000 9 3,973 65,900,000 ZMODEM 'Imputation Flag for MODEM' Columns 117 Categorical Variable Variable length 1 0 = MODEM not imputed 1 = MODEM imputed Number Weighted Of Number of Value Observations Households 0 5,893 101,400,000 1 7 Q Q = Data withheld because fewer than 10 observation in the category. PRINTER 'Use Laser Printer for PC' Columns 119 Categorical Variable Variable length 1 Question C-10E Question different than RECS93 RECS 93 Defined Laser Imputed for Nonresponse 0 = No 1 = Yes 9 = Not Applicable Number Weighted Of Number of Value Observations Households 0 1,264 22,900,000 1 663 12,600,000 9 3,973 65,900,000 ZPRINTER 'Imputation Flag for PRINTER' Columns 121 Categorical Variable Variable length 1 0 = PRINTER not imputed 1 = PRINTER imputed Number Weighted Of Number of Value Observations Households 0 5,893 101,400,000 1 7 Q Q = Data withheld because fewer than 10 observation in the category. FAX 'Use Separate Fax Machine' Columns 123 Categorical Variable Variable length 1 Question C-11 Question different than RECS93 RECS 93 Did Not Specify Separate Piece of Equipment Imputed for Nonresponse 0 = No 1 = Yes Number Weighted Of Number of Value Observations Households 0 5,583 95,100,000 1 317 6,300,000 ZFAX 'Imputation Flag for FAX' Columns 125 Categorical Variable Variable length 1 0 = FAX not imputed 1 = FAX imputed Number Weighted Of Number of Value Observations Households 0 5,895 101,400,000 1 5 Q Q = Data withheld because fewer than 10 observation in the category. COPIER 'Use Photocopier' Columns 127 Categorical Variable Variable length 1 Question C-12 Question different than RECS93 RECS 93 Qualified Type of Photocopier Imputed for Nonresponse 0 = No 1 = Yes Number Weighted Of Number of Value Observations Households 0 5,700 97,700,000 1 200 3,800,000 ZCOPIER 'Imputation Flag for COPIER' Columns 129 Categorical Variable Variable length 1 0 = COPIER not imputed 1 = COPIER imputed Number Weighted Of Number of Value Observations Households 0 5,896 101,400,000 1 4 Q Q = Data withheld because fewer than 10 observation in the category. PCUSE 'Weekly Hours PC Turned On' Columns 131 Categorical Variable Variable length 1 Question C-13A Question first used in 1997 RECS Imputed for Nonresponse 1 = Less Than 2 Hours Per Week 2 = 2 TO 15 Hours Per Week 3 = 16 TO 40 Hours Per Week 4 = More Than 40 Hours Per Week 9 = Not Applicable Number Weighted Of Number of Value Observations Households 1 461 8,200,000 2 937 17,400,000 3 350 6,700,000 4 179 3,300,000 9 3,973 65,900,000 ZPCUSE 'Imputation Flag for PCUSE' Columns 133 Categorical Variable Variable length 1 0 = PCUSE not imputed 1 = PCUSE imputed Number Weighted Of Number of Value Observations Households 0 5,894 101,400,000 1 6 Q Q = Data withheld because fewer than 10 observation in the category. PCTASK 'Main Use of PC' Columns 135 Categorical Variable Variable length 1 Question C-13B Question first used in 1997 RECS 1 = Personal Use 2 = Business Use 3 = Both or About Equally if Volunteered) 9 = Not Applicable Number Weighted Of Number of Value Observations Households 1 263 4,800,000 2 105 2,100,000 3 161 3,100,000 9 5,371 91,500,000 TELECOM 'PC Used to Telecommute' Columns 137 Categorical Variable Variable length 1 Question C-13C Question first used in 1997 RECS Imputed for Nonresponse 0 = No 1 = Yes 9 = Not Applicable Number Weighted Of Number of Value Observations Households 0 158 3,100,000 1 108 2,100,000 9 5,634 96,300,000 ZTELECOM 'Imputation Flag for TELECOM' Columns 139 Categorical Variable Variable length 1 0 = TELECOM not imputed 1 = TELECOM imputed Number Weighted Of Number of Value Observations Households 0 5,898 101,400,000 1 2 Q Q = Data withheld because fewer than 10 observation in the category. TELLDAYS 'Days PC Used To Telecommute' Columns 141-142 Categorical Variable Variable length 2 Question C-13D Question first used in 1997 RECS Imputed for Nonresponse 1 = One 2 = Two 3 = Three 4 = Four 5 = Five 6 = Six 7 = Seven 99 = Not Applicable Number Weighted Of Number of Value Observations Households 1 24 400,000 2 15 300,000 3 9 Q 4 8 Q 5 29 600,000 6 3 Q 7 20 300,000 99 5,792 99,400,000 Q = Data withheld because fewer than 10 observation in the category. ZTELLDAY 'Imputation Flag for TELLDAYS' Columns 144 Categorical Variable Variable length 1 0 = TELLDAYS not imputed 1 = TELLDAYS imputed Number Weighted Of Number of Value Observations Households 0 5,899 101,500,000 1 1 Q Q = Data withheld because fewer than 10 observation in the category.