Table 1.
Characteristics for all CaMos participants ≥ 25 yr with sedentary time data (sitting h/d) at baseline.
| All (n = 8272) | Men (n = 2564) | Women (n = 5708) | |
|---|---|---|---|
| Age (yr) | 61.1 (13.0) | 59.0 (14.1) | 62.0 (12.4) |
| White, n (%) | 7856 (95.0) | 2392 (93.3) | 5464 (95.7) |
| Weight (kg) | 72.8 (14.7) | 81.7 (13.3) | 68.8 (13.5) |
| Height (cm) | 164.1 (9.2) | 173.6 (7.1) | 159.8 (6.4) |
| BMI (kg/m2) | 27.0 (4.7) | 27.1 (3.9) | 26.9 (5.0) |
| Weight cycling >10 pounds (%) | 4253 (51.4) | 1226 (47.8) | 3027 (53.0) |
| Education (% within sex) | |||
| <12 yr | 2884 (34.9) | 798 (30.8) | 2095 (36.7) |
| High school | 1214 (14.7) | 332 (13.0) | 882 (15.5) |
| ≥Postsecondary diploma | 4174 (50.5) | 1443 (56.3) | 2731 (47.9) |
| Smoking (%) | |||
| Never | 3888 (47.0) | 860 (33.6) | 3028 (53.1) |
| Former | 3118 (37.7) | 1238 (48.3) | 1880 (32.9) |
| Current | 1265 (15.3) | 465 (18.1) | 800 (14.0) |
| Caffeine consumption (mg/d) | 295.2 (274.2) | 345.2 (322.8) | 272.7 (246.0) |
| Alcohol consumptiona | |||
| Nondrinker | 3065 (37.1) | 643 (25.1) | 2422 (42.5) |
| Moderate | 4060 (49.2) | 1536 (60.0) | 2524 (44.3) |
| High | 1132 (13.7) | 380 (14.9) | 752 (13.2) |
| Total calcium intake (mg/d) | 1018.3 (614.7) | 928.3 (590.9) | 1058.6 (620.9) |
| Total vitamin D intake (μg/d) | 6.9 (22.5) | 5.4 (14.0) | 7.5 (25.4) |
| Osteoporosis diagnosis (self-report) (%) | 579 (7.1) | 27 (1.1) | 552 (9.9) |
| History of clinical fragility fracture (%) | 1526 (18.5) | 412 (16.1) | 114 (19.6) |
| Parental history of fractures (%) | 2680 (35.2) | 769 (33.4) | 1911 (36.0) |
| Current use of antiresorptive medication (%) | 1475 (17.8) | 3 (0.1) | 1472 (25.8) |
| Current use of corticosteroids (%) | 99 (1.2) | 27 (1.1) | 72 (1.3) |
| Comorbidities | |||
| 0 | 4514 (54.6) | 1454 (56.7) | 3060 (53.6) |
| 1–2 | 3418 (41.3) | 1002 (39.1) | 2416 (42.3) |
| ≥3 | 340 (4.1) | 108 (4.2) | 232 (4.1) |
| Reproductive status (women only) (%) | N/A | N/A | |
| Premenopausal | 1001 (17.5) | ||
| Menopausal | 4133 (72.4) | ||
| Bilateral oophorectomy | 573 (10.0) | ||
| Menopausal hormone therapy (%) | N/A | N/A | |
| Never | 3225 (56.5) | ||
| Former | 1050 (18.4) | ||
| Current | 1433 (25.1) | ||
| Combined hormonal contraceptives, ever (%) | N/A | N/A | 2796 (49.0) |
| Sleep (h/night) | 7.1 (1.4) | 7.1 (1.4) | 7.1 (1.5) |
| Moderate, vigorous, strenuous physical activity (h/wk) | 15.0 (10.8) | 14.3 (11.3) | 15.3 (10.6) |
| Walking (h/wk) | 4.2 (4.4) | 4.1 (4.6) | 4.2 (4.2) |
| Study center | |||
| Calgary | 1002 (12.1) | 300 (11.7) | 702 (12.3) |
| Hamilton | 937 (11.3) | 301 (11.7) | 636 (11.1) |
| Halifax | 920 (11.1) | 281 (11.0) | 639 (11.2) |
| Kingston | 821 (9.9) | 251 (9.8) | 570 (10.0) |
| Quebec | 924 (11.2) | 281 (11.0) | 643 (11.3) |
| Saskatoon | 1017 (12.3) | 314 (12.3) | 703 (12.3) |
| St-John’s | 860 (10.4) | 259 (10.1) | 601 (10.5) |
| Toronto | 767 (9.3) | 257 (10.0) | 510 (8.9) |
| Vancouver | 1024 (12.4) | 320 (12.5) | 704 (12.3) |
| Sedentary behavior (sitting h/d) | 6.9 (2.7) | 7.4 (2.8) | 6.7 (2.6) |
| Lumbar spine L1–L4 BMD (g/cm2) | 0.971 (0.178) | 1.047 (0.169) | 0.937 (0.172) |
| Femoral neck BMD (g/cm2) | 0.725 (0.124) | 0.789 (0.122) | 0.699 (0.115) |
| Total hip BMD (g/cm2) | 0.903 (0.162) | 1.009 (0.149) | 0.855 (0.144) |
Results presented as mean (SD) for continuous variables and n (% of all or within sex) for categorical variables.
aModerate alcohol consumption was defined as <1 drink/d in women, <2 drink/d in men and high consumption as ≥1 drink/d in women, ≥2 drinks/d in men.
N/A, not applicable.