Table 1.
Descriptive statistics for mental health and control cohorts by sociodemographic characteristics and health indicators
| Sample characteristics (%, N) | Incidence of physical health problem (%, N) | |||
|---|---|---|---|---|
| Mental illness cohort (n=5065) | Control cohort (n=10 837) | Mental illness cohort (n=5065) | Control cohort (n=10 837) | |
| Gender | ||||
| Female | 63.1 (3375) | 45.6 (5235) | 28.5 (1008) | 23.8 (1291) |
| Male | 36.9 (1690) | 54.4 (5602) | 29.9 (538) | 24.0 (1442) |
| Age group | ||||
| 18–29 | 25.1 (1089) | 26.6 (2494) | 12.5 (133) | 6.8 (175) |
| 30–39 | 28.6 (1450) | 26.6 (2816) | 25.0 (342) | 17.5 (458) |
| 40–49 | 25.9 (1339) | 24.9 (2654) | 33.9 (450) | 28.8 (730) |
| 50–59 | 13.4 (740) | 12.8 (1572) | 39.9 (338) | 42.8 (655) |
| 60–74 | 7.1 (447) | 9.1 (1301) | 65.4 (283) | 52.9 (715) |
| Educational attainment | ||||
| No high school diploma | 14.9 (876) | 12.7 (1762) | 36.6 (340) | 33.3 (596) |
| High school diploma | 31.7 (1574) | 34.2 (3525) | 26.2 (449) | 21.5 (796) |
| Postsecondary education | 53.4 (2615) | 53.2 (5550) | 28.6 (757) | 23.2 (1341) |
| Annual household income | ||||
| Under $C20 000 | 8.4 (661) | 4.4 (703) | 31.2 (227) | 27.1 (194) |
| $C20 000–$C39 000 | 15.1 (916) | 12.3 (1685) | 34.0 (309) | 28.9 (485) |
| $C40 000–$C59 000 | 16.8 (888) | 15.3 (1822) | 32.4 (281) | 23.6 (440) |
| $C60 000–$C79 000 | 17.0 (778) | 17.6 (1894) | 26.7 (216) | 24.5 (462) |
| $C80 000+ | 26.2 (1054) | 32.1 (2925) | 26.6 (274) | 22.8 (677) |
| Missing | 16.6 (768) | 18.3 (1808) | 26.0 (239) | 21.5 (475) |
| Marital status | ||||
| Separated/divorced/widowed | 12.6 (1046) | 7.2 (1240) | 38.4 (424) | 32.9 (460) |
| Single | 27.0 (1266) | 26.8 (2721) | 19.3 (248) | 10.7 (339) |
| Married/common law | 60.3 (2753) | 66.0 (6876) | 31.4 (874) | 28.3 (1934) |
| Ethno-racial origin | ||||
| White | 83.9 (4642) | 82.9 (9932) | 29.0 (1423) | 24.5 (2534) |
| Non-white | 16.1 (423) | 17.1 (905) | 29.2 (123) | 21.2 (199) |
| Self-perceived stress | ||||
| Moderate/high | 38.6 (2021) | 20.5 (2184) | 30.9 (642) | 25.8 (556) |
| Low/none | 61.4 (3044) | 79.5 (8653) | 27.8 (904) | 23.5 (2177) |
| Current smoker | ||||
| Yes | 32.6 (1854) | 26.6 (3084) | 30.2 (590) | 23.6 (755) |
| No | 67.4 (3211) | 73.4 (7753) | 28.4 (956) | 24.1 (1978) |
| Heavy drinker | ||||
| Yes | 2.8 (150) | 3.6 (427) | 31.7 (36) | 23.1 (108) |
| No | 97.2 (4915) | 96.4 (10 410) | 28.9 (1510) | 24.0 (2625) |
| Activity | ||||
| Active | 21.6 (1157) | 22.6 (2714) | 23.1 (294) | 20.8 (603) |
| Non-active | 78.4 (3908) | 77.4 (8123) | 30.6 (1252) | 24.8 (2130) |
| Disability | ||||
| Often | 11.2 (713) | 5.2 (707) | 35.6 (273) | 37.7 (262) |
| Some | 16.0 (847) | 11.1 (1321) | 36.0 (308) | 30.5 (432) |
| Never | 72.9 (3505) | 83.7 (8809) | 26.5 (965) | 22.2 (2039) |
| Rural | ||||
| Yes | 11.6 (816) | 15.9 (2427) | 26.9 (255) | 24.7 (640) |
| No | 88.4 (4249) | 84.1 (8410) | 29.3 (1291) | 23.8 (2093) |
| Number of aggregated diagnosis groups | ||||
| Low (0–1) | 6.5 (321) | 26.4 (2991) | 25.0 (72) | 19.6 (622) |
| Medium (2–5) | 42.2 (2110) | 53.8 (5837) | 25.0 (553) | 23.5 (1438) |
| High (6–34) | 51.3 (2634) | 19.8 (2009) | 32.8 (921) | 30.9 (673) |
| Resource utilisation bands | ||||
| Low (0–1) | 4.2 (194) | 22.6 (2526) | 24.1 (43) | 18.1 (510) |
| Medium (2) | 12.2 (587) | 27.7 (2979) | 22.3 (122) | 20.5 (618) |
| High (3) | 64.5 (3264) | 41.5 (4474) | 29.0 (1038) | 29.2 (1373) |
| Very high (4–5) | 19.1 (1020) | 8.1 (858) | 34.3 (343) | 25.2 (232) |