Research Article
Body Mass Index Trajectories among Middle-Aged and Elderly Canadians and Associated Health Outcomes
Table 3
Weighted prevalence and odds of self-reported health outcomes when respondents turned 55 years, by BMI trajectory group (NPHS, 1994–2011).
| Health outcome | The trajectory of BMI | -trend |
| | N-S () | OV-S () | OB I-S () | OB II-S () | | | %a | ORb | % | OR (95% CI) | % | OR (95% CI) | % | OR (95% CI) | <.0001 | Asthma | 4.4 | Ref. | 7.1 | 1.65 (1.63–1.67) | 9.2 | 2.18 (2.16–2.21) | 10.8 | 2.60 (2.56–2.63) | <.0001 | Arthritis or rheumatism | 20.9 | Ref. | 26.9 | 1.39 (1.39–1.40) | 30.3 | 1.65 (1.64–1.66) | 50.0 | 3.79 (3.76–3.83) | <.0001 | Back problems | 19.6 | Ref. | 18.1 | 0.91 (0.90–0.91) | 23.9 | 1.29 (1.28–1.30) | 23.7 | 1.28 (1.26–1.29) | <.0001 | Hypertension | 12.3 | Ref. | 22.1 | 2.03 (2.02–2.04) | 28.5 | 2.86 (2.84–2.88) | 52.9 | 8.03 (7.95–8.11) | <.0001 | Chronic bronchitis or emphysema | 2.8 | Ref. | 3.1 | 1.12 (1.10–1.14) | 1.1 | 0.38 (0.37–0.39) | 6.7 | 2.52 (2.48–2.57) | <.0001 | Diabetes | 1.4 | Ref. | 5.7 | 4.30 (4.22–4.37) | 9.6 | 7.49 (7.36–7.62) | 26.6 | 25.56 (25.10–26.03) | <.0001 | Heart disease | 2.5 | Ref. | 5.5 | 2.29 (2.26–2.32) | 6.0 | 2.49 (2.45–2.52) | 8.7 | 3.75 (3.69–3.82) | <.0001 | Cognitive issue | 20.5 | Ref. | 21.5 | 1.06 (1.05–1.07) | 24.7 | 1.27 (1.26–1.28) | 28.9 | 1.58 (1.56–1.59) | <.0001 | Emotional issue | | | | | | | | | | Happy | 79.7 | Ref. | 77.5 | Ref. | 80.4 | Ref. | 64.9 | Ref. | <.0001 | Somewhat happy | 17.8 | Ref. | 19.2 | 1.12 (1.11–1.12) | 16.0 | 0.90 (0.89–0.90) | 27.2 | 1.88 (1.87–1.90) | | Unhappy | 2.5 | Ref. | 3.2 | 1.33 (1.31–1.35) | 3.6 | 1.43 (1.40–1.45) | 7.9 | 3.90 (3.83–3.98) | | Self-rated health | | | | | | | | | | Excellent | 23.0 | Ref. | 18.8 | Ref. | 16.2 | Ref. | 6.4 | Ref. | <.0001 | Very good | 38.8 | Ref. | 37.3 | 1.18 (1.17–1.18) | 38.6 | 1.41 (1.40–1.42) | 24.7 | 2.27 (2.24–2.31) | | Good | 28.7 | Ref. | 30.7 | 1.31 (1.30–1.32) | 32.5 | 1.61 (1.59–1.62) | 40.1 | 5.00 (4.91–5.08) | | Fair | 6.9 | Ref. | 8.5 | 1.49 (1.48–1.51) | 10.3 | 2.11 (2.08–2.13) | 22.3 | 11.48 (11.27–11.69) | | Poor | 2.4 | Ref. | 4.6 | 2.33 (2.30–2.36) | 2.3 | 1.35 (1.32–1.37) | 6.5 | 9.53 (9.30–9.76) | |
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value < .10, value < .01.
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