Boston Inpatient Coding Manual 1 Boston Lying-In [Inpatient] Coding Manual Hospital: Boston Lying-in (inpatient services) Year range: 1886-1900 n: 2261 Variable 1: age Description: Mother's age Location: 1-2(width: 2; decimal: 0) Variable type: numeric (scale) N Valid 2260 Missing 1 Mean 24.31 Median 23.00 Mode 22 Std. Deviation 5.191 Minimum 14 Maximum 47 Variable 2: byear Description: Infant birth year Location: 3-6(width: 4; decimal: 0) Variable type: numeric (scale) N Valid 2261 Missing 0 Mean 1892.82 Median 1892.00 Mode 1886 Std. Deviation 4.661 Boston Inpatient Coding Manual 2 Minimum 1886 Maximum 1900 Variable 3: resicodr Description: Mother’s residence Location: 7-7(width: 1; decimal: 0) Variable type: numeric (nominal) Code Label Frequency Percent 1 SUBURBAN BOSTON 167 7.4 2 BOSTON 1113 49.2 3 N. END & E. BOSTON 666 29.5 4 SOUTH BOSTON 118 5.2 5 NEW ENGLAND 149 6.6 N Valid 2213 Missing 48 Variable 4: bprcode Description: Mother’s birthplace Location: 8-9(width: 2; decimal: 0) Variable type: numeric (nominal) Code Label Frequency Percent 1 MASSASSACHUSETTS 619 27.4 2 OTHER NEW ENGLAND 157 6.9 3 MID ATLANTIC STATES 64 2.8 4 SOUTHERN STATES 30 1.3 5 OTHER USA 22 1.0 6 MARITIME BNA 452 20.0 7 OTHER BNA 59 2.6 8 IRELAND 482 21.3 9 OTHER UK 152 6.7 10 RUSSIA 32 1.4 11 OTHER EUROPE 162 7.2 Boston Inpatient Coding Manual 3 12 OTHER 23 1.0 N Valid 2254 Missing 7 Variable 5: marstat Description: Marital Status Location: 10-10(width: 1; decimal: 0) Variable type: numeric (nominal) Code Label Frequency Percent 0 SINGLE 970 42.9 1 MARRIED 1207 53.4 2 WIDOW 70 3.1 N Valid 2247 Missing 14 Variable 6: nuofpreg Description: Number of pregnancies Location: 11-12(width: 2; decimal: 0) Variable type: numeric (scale) N Valid 2257 Missing 4 Mean 1.80 Median 1.00 Mode 1 Std. Deviation 1.606 Minimum 1 Maximum 14 Boston Inpatient Coding Manual 4 Variable 7: sex Description: Infant sex Location: 13-15(width: 3; decimal: 0) Variable type: numeric (nominal) Code Label Frequency Percent 0 Male 1110 49.1 1 Female 1151 50.9 N Valid 2261 Missing 0 Variable 8: weight Description: Infant weight (in grams) Location: 16-21(width: 6; decimal: 1) Variable type: numeric (scale) N Valid 2261 Missing 0 Mean 3329.734 Median 3345.244 Mode 3401.9 Std. Deviation 524.1933 Minimum 1559.2 Maximum 5443.1 Boston Inpatient Coding Manual 5 Variable 9: prematur Description: Premature birth Location: 22-22(width: 1; decimal: 0) Variable type: numeric (nominal) Code Label Frequency Percent 0 NO COMMENT 2227 98.5 1 PREMATURE 34 1.5 N Valid 2261 Missing 0 Variable 10: fee Description: Hospital fee payment (in American Dollars) Location: 23-24(width: 2; decimal: 0) Variable type: numeric (scale) N Valid 2220 Missing 41 Mean 5.40 Median .00 Std. Deviation 9.411 Minimum 0 Maximum 30 Boston Inpatient Coding Manual 6 Variable 11: season Description: Season Location: 25-32(width: 8; decimal: 0) Variable type: numeric (nominal) Code Label Frequency Percent 1 WINTER 570 25.2 2 SPRING 677 29.9 3 SUMMER 630 27.9 4 AUTUMN 384 17.0 N Valid 2261 Missing 0 Boston Inpatient Coding Manual 1 Boston Lying-In [Inpatient] Coding Manual Hospital: Boston Lying-in (inpatient services) Year range: 1886-1900 n: 2261 Variable 1: age Description: Mother's age Location: 1-2(width: 2; decimal: 0) Variable type: numeric (scale) N Valid 2260 Missing 1 Mean 24.31 Median 23.00 Mode 22 Std. Deviation 5.191 Minimum 14 Maximum 47 Variable 2: byear Description: Infant birth year Location: 3-6(width: 4; decimal: 0) Variable type: numeric (scale) Boston Inpatient Coding Manual 2 N Valid 2261 Missing 0 Mean 1892.82 Median 1892.00 Mode 1886 Std. Deviation 4.661 Minimum 1886 Maximum 1900 Variable 3: resicodr Description: Mother’s residence Location: 7-7(width: 1; decimal: 0) Variable type: numeric (nominal) Code Label Frequenc y Percent 1 SUBURBAN BOSTON 167 7.4 2 BOSTON 1113 49.2 3 N. END & E. BOSTON 666 29.5 4 SOUTH BOSTON 118 5.2 5 NEW ENGLAND 149 6.6 N Valid 2213 Missing 48 Variable 4: bprcode Description: Mother’s birthplace Location: 8-9(width: 2; decimal: 0) Variable type: numeric (nominal) Code Label Frequenc y Percent 1 MASSASSACHUSETTS 619 27.4 2 OTHER NEW ENGLAND 157 6.9 3 MID ATLANTIC STATES 64 2.8 Boston Inpatient Coding Manual 3 Code Label Frequenc y Percent 4 SOUTHERN STATES 30 1.3 5 OTHER USA 22 1.0 6 MARITIME BNA 452 20.0 7 OTHER BNA 59 2.6 8 IRELAND 482 21.3 9 OTHER UK 152 6.7 10 RUSSIA 32 1.4 11 OTHER EUROPE 162 7.2 12 OTHER 23 1.0 N Valid 2254 Missing 7 Variable 5: marstat Description: Marital Status Location: 10-10(width: 1; decimal: 0) Variable type: numeric (nominal) Code Label Frequenc y Percent 0 SINGLE 970 42.9 1 MARRIED 1207 53.4 2 WIDOW 70 3.1 N Valid 2247 Missing 14 Variable 6: nuofpreg Description: Number of pregnancies Location: 11-12(width: 2; decimal: 0) Variable type: numeric (scale) Boston Inpatient Coding Manual 4 N Valid 2257 Missing 4 Mean 1.80 Median 1.00 Mode 1 Std. Deviation 1.606 Minimum 1 Maximum 14 Variable 7: sex Description: Infant sex Location: 13-15(width: 3; decimal: 0) Variable type: numeric (nominal) Code Label Frequenc y Percent 0 Male 1110 49.1 1 Female 1151 50.9 N Valid 2261 Missing 0 Variable 8: weight Description: Infant weight (in grams) Location: 16-21(width: 6; decimal: 1) Variable type: numeric (scale) Boston Inpatient Coding Manual 5 N Valid 2261 Missing 0 Mean 3329.734 Median 3345.244 Mode 3401.9 Std. Deviation 524.1933 Minimum 1559.2 Maximum 5443.1 Variable 9: prematur Description: Premature birth Location: 22-22(width: 1; decimal: 0) Variable type: numeric (nominal) Code Label Frequenc y Percent 0 NO COMMENT 2227 98.5 1 PREMATURE 34 1.5 N Valid 2261 Missing 0 Variable 10: fee Description: Hospital fee payment (in American Dollars) Location: 23-24(width: 2; decimal: 0) Variable type: numeric (scale) Boston Inpatient Coding Manual 6 N Valid 2220 Missing 41 Mean 5.40 Median .00 Std. Deviation 9.411 Minimum 0 Maximum 30 Variable 11: season Description: Season Location: 25-32(width: 8; decimal: 0) Variable type: numeric (nominal) Code Label Frequenc y Percent 1 WINTER 570 25.2 2 SPRING 677 29.9 3 SUMMER 630 27.9 4 AUTUMN 384 17.0 N Valid 2261 Missing 0 Boston Inpatient Coding Manual 7