Table 1 Baseline characteristics of participants in the Sister Study cohort and the address verification study.

From: Accuracy of LexisNexis-derived retrospective address histories in the Sister Study cohort

 

Overall

With residential history data

Not identified in LexisNexis

Address Verification study

Completed questionnaire

Did not complete questionnaire

N = 50,884

N = 47,557

N = 3327

N = 1000

n = 823

n = 177

Age at baseline, n (%)

 ≤45 years

7871 (15.5%)

7715 (16.2%)

156 (4.7%)

170 (17.0%)

141 (17.1%)

29 (16.4%)

 46 to 55 years

18,362 (36.1%)

17,779 (37.4%)

583 (17.5%)

330 (33.0%)

268 (32.6%)

62 (35.0%)

 56 to 65 years

17,274 (33.9%)

16,070 (33.8%)

1204 (36.2%)

413 (41.3%)

349 (42.4%)

64 (36.2%)

 >65 years

7377 (14.5%)

5993 (12.6%)

1384 (41.6%)

87 (8.7%)

65 (7.9%)

22 (12.4%)

P-value

 

0.0

 

0.16

Race and ethnicity, n (%)

 Hispanic

2515 (4.9%)

2350 (4.9%)

165 (5.0%)

122 (12.2%)

94 (11.4%)

28 (15.8%)

 Non-Hispanic Black

4462 (8.8%)

4227 (8.9%)

235 (7.1%)

292 (29.2%)

227 (27.6%)

65 (36.7%)

 Non-Hispanic White

42,558 (83.6%)

39,731 (83.5%)

2827 (85.0%)

500 (50.0%)

433 (52.6%)

67 (37.9%)

 Additional groups

1334 (2.6%)

1235 (2.6%)

99 (3.0%)

86 (8.6%)

69 (8.4%)

17 (9.6%)

 Missing

15 (0.0%)

14 (0.0%)

1 (0.0%)

0 (0%)

0 (0%)

0 (0%)

P-value

 

0.0

 

0.0

Educational attainment, n (%)

 High school graduate or less

7804 (15.3%)

7100 (14.9%)

704 (21.2%)

122 (12.2%)

90 (10.9%)

32 (18.1%)

 Some college/technical school

17,180 (33.8%)

15,959 (33.6%)

1220 (36.7%)

351 (35.1%)

275 (33.4%)

76 (42.9%)

 Four-year degree or more

25,883 (50.9%)

24,486 (51.5%)

1394 (41.9%)

527 (52.7%)

458 (55.7%)

69 (39.0%)

 Missing

17 (0.0%)

12 (0.0%)

9 (0.3%)

0 (0%)

0 (0%)

0 (0%)

P-value

 

0.0

 

0.0

Household income, n (%)

 Less than $50,000

13,118 (25.8%)

11,640 (24.5%)

1478 (44.4%)

266 (26.6%)

199 (24.2%)

67 (37.9%)

 $50,000–$99,999

20,751 (40.8%)

19,567 (41.1%)

1184 (35.6%)

399 (39.9%)

327 (39.7%)

72 (40.7%)

 $100,000 or more

17,006 (33.4%)

16,350 (34.4%)

656 (19.7%)

335 (33.5%)

297 (36.1%)

38 (21.5%)

 Missing

9 (0.0%)

0 (0%)

9 (0.3%)

0 (0%)

0 (0%)

0 (0%)

P-value

 

0.0

 

0.0

  1. “Not identified in LexisNexis” includes 9 participants who withdrew from the Sister Study.
  2. P-values obtained from chi-square tests of independence.