Table 3.
Gender differences in age at interview, employment patterns and module assignment and completion among controls overall and by study.
| Study | N controls | N reported Jobs | Mean age at interview AM (range) | First year worked per subjecta AM (IQR) | Number of jobs per subjecta,b GM (GSD) | Hours worked per week per jobc AM (ASD) | Years worked per jobb,d GM (GSD) | N completed modules | % Jobs with completed modules |
|---|---|---|---|---|---|---|---|---|---|
| NEBCS | |||||||||
| female | 372 | 1,821 | 64 (31–81) | 1960 (1948–1969) | 4.2 (1.8) | 36.4 (12.7) | 4.7 (2.3) | 858 | 47 |
| male | 1,037 | 6,194 | 66 (32–81) | 1956 (1947–1963) | 5.2 (1.7) | 45.2 (14.9) | 5.2 (2.4) | 3,176 | 51 |
| USKCS | |||||||||
| female | 530 | 2,496 | 58 (20–80) | 1966 (1956–1975) | 3.9 (1.9) | 38.6 (8.7) | 4.6 (2.2) | 1,291 | 52 |
| male | 684 | 3,639 | 59 (21–80) | 1963 (1953–1972) | 4.6 (1.8) | 44.8 (13.8) | 5.3 (2.2) | 2,428 | 67 |
| NCI-SEER NHL | |||||||||
| female | 458 | 1,716 | 59 (23–76) | 1962 (1950–1971) | 3.0 (2.0) | 37.2 (11.3) | 4.7 (2.6) | 154 | 9 |
| male | 524 | 2,250 | 59 (20–76) | 1960 (1949–1968) | 3.6 (1.8) | 43.7 (13.8) | 5.2 (2.8) | 366 | 16 |
|
| |||||||||
| Total | |||||||||
| female | 1,360 | 6,033 | 60 (20–81) | 1963 (1951–1972) | 3.6 (1.9) | 37.5 (10.8) | 4.7 (2.3) | 2,303 | 38 |
| male | 2,245 | 12,083 | 62 (20–81) | 1959 (1949–1967) | 4.6 (1.8) | 44.8 (14.4) | 5.2 (2.4) | 5,970 | 49 |
AM, arithmetic mean; ASD, arithmetic standard deviation; GM, geometric mean; GSD, geometric standard deviation; IQR, inter-quartile range; NEBCS, New England Bladder Cancer Study; NCI-SEER NHL, National Cancer Institute Surveillance Epidemiology and End Results Study of Non-Hodgkin’s Lymphoma; N, number; USKCS, US Kidney Cancer Study
Excludes subjects with start or stop years =‘don’t know’ or ‘refused’; Subjects included in analysis: NEBCS, females=371, males=1,036; USKCS, females=525, males=671; NCI-SEER NHL, females=458, males=523.
Geometric mean and standard deviation were calculated when data followed a lognormal distribution.
Excludes jobs with hours worked per week = ‘don’t know’ or ‘refused’; Jobs included in analysis: NEBCS, female jobs=1,813, male jobs=6,166; USKCS, female jobs=2,470, male jobs=3,598; NCI-SEER NHL, female jobs=1708, male jobs=2215.
Excludes jobs with start or stop years = ‘don’t know’ or ‘refused’; Jobs included in analysis: NEBCS, female jobs=1,820, male jobs=6,193; USKCS, female jobs=2,488, male jobs=3,625; NCI-SEER NHL, female jobs=1708, male jobs=2,249.