Table 1.
Variables | Q1 (n = 20,508) | Q2 (n = 20,276) | Q3 (n = 20,619) | Q4 (n = 20,928) | Q5 (n = 19,506) | p-value |
---|---|---|---|---|---|---|
Age (y), mean (SD) | 62.2 (5.4) | 62.4 (5.3) | 62.5 (5.3) | 62.6 (5.2) | 62.4 (5.2) | <0.001 |
Sex (n, %) | ||||||
Male | 11,349 (55.3%) | 10,239 (50.5%) | 9,433 (45.7%) | 8,694 (41.5%) | 9,818 (50.3%) | <0.001 |
Female | 9,158 (44.7%) | 10,037 (49.5%) | 11,186 (54.3%) | 12,232 (58.5%) | 9,686 (49.7%) | |
Smoking status (n, %) | ||||||
Never | 9,380 (45.7%) | 9,704 (47.9%) | 10,146 (49.2%) | 10,289 (49.2%) | 9,077 (46.5%) | <0.001 |
Current | 2,358 (11.5%) | 1,994 (9.8%) | 1,694 (8.2%) | 1,710 (8.2%) | 1,656 (8.5%) | |
Former | 8,766 (42.8%) | 8,575 (42.3%) | 8,770 (42.6%) | 8,926 (42.7%) | 8,767 (45.0%) | |
Education (n, %) | ||||||
≤ High school | 9,332 (45.5%) | 8,767 (43.2%) | 8,299 (40.2%) | 8,657 (41.4%) | 7,912 (40.6%) | <0.001 |
≥Some college | 11,130 (54.3%) | 11,460 (56.5%) | 12,277 (59.5%) | 12,234 (58.5%) | 11,560 (59.3%) | |
BMI (n, %) | ||||||
<25.0 kg/m2 | 6,925 (33.8%) | 6,895 (34.0%) | 7,154 (34.7%) | 7,257 (34.7%) | 6,248 (32.0%) | <0.001 |
≥25.0 kg/m2 | 13,281 (64.8%) | 13,104 (64.6%) | 13,223 (64.1%) | 13,406 (64.1%) | 12,990 (66.6%) | |
Race (n, %) | ||||||
White, non-Hispanic | 17,582 (85.7%) | 18,341 (90.5%) | 19,143 (92.8%) | 19,475 (93.1%) | 18,056 (92.6%) | <0.001 |
Other | 2,915 (14.2%) | 1,928 (9.5%) | 1,472 (7.1%) | 1,444 (6.9%) | 1,439 (7.4%) | |
Alcohol drinking status (n, %) | ||||||
Never | 1,991 (9.7%) | 1,997 (9.8%) | 2,011 (9.8%) | 2,143 (10.2%) | 1,982 (10.2%) | <0.001 |
Former | 3,499 (17.1%) | 3,010 (14.8%) | 2,701 (13.1%) | 2,875 (13.7%) | 2,684 (13.8%) | |
Current | 14,359 (70.0%) | 14,703 (72.5%) | 15,391 (74.6%) | 15,305 (73.1%) | 14,302 (73.3%) | |
Total energy intake (kcal/d), mean (SD) | 1554.1 (711.8) | 1635.6 (690.4) | 1714.1 (683.7) | 1784.6 (707.5) | 2015.8 (803.6) | <0.001 |
Y, year; SD, standard deviation; BMI, body mass index.