Table 2.
Adjusted* odds ratios (AOR) and 95 % confidence intervals for taking vitamin D supplement daily in relation to various factors, the Canadian Community Health Survey – Healthy Aging, 2008–2009
| Men | Women | Total | ||||
|---|---|---|---|---|---|---|
| AOR | 95 % CI | AOR | 95 % CI | AOR | 95 % CI | |
| Sex | ||||||
| Male | – | – | – | – | 1·00 | Reference |
| Female | – | – | – | – | 3·17 | 2·91, 3·46 |
| Age (years) | ||||||
| 45–49 | 0·19 | 0·13, 0·26 | 0·37 | 0·29, 0·47 | 0·28 | 0·24, 0·35 |
| 50–54 | 0·33 | 0·25, 0·45 | 0·58 | 0·46, 0·73 | 0·47 | 0·39, 0·57 |
| 55–59 | 0·47 | 0·35, 0·63 | 0·91 | 0·72, 1·14 | 0·71 | 0·59, 0·86 |
| 60–64 | 0·51 | 0·37, 0·68 | 1·12 | 0·89, 1·41 | 0·84 | 0·70, 1·01 |
| 65–69 | 0·73 | 0·54, 0·99 | 1·38 | 1·09, 1·74 | 1·10 | 0·91, 1·32 |
| 70–74 | 0·99 | 0·73, 1·34 | 1·38 | 1·09, 1·74 | 1·23 | 1·02, 1·49 |
| 75–79 | 0·98 | 0·71, 1·35 | 1·20 | 0·95, 1·53 | 1·13 | 0·93, 1·37 |
| ≥80 | 1·00 | Reference | 1·00 | Reference | 1·00 | Reference |
| BMI (kg/m2) | ||||||
| <18·5 | 0·71 | 0·20, 2·58 | 0·85 | 0·59, 1·21 | 0·84 | 0·60, 1·20 |
| 18·5–24·9 | 1·00 | Reference | 1·00 | Reference | 1·00 | Reference |
| 25·0–29·9 | 0·94 | 0·81, 1·10 | 0·72 | 0·64, 0·81 | 0·79 | 0·72, 0·87 |
| ≥30·0 | 0·84 | 0·69, 1·03 | 0·56 | 0·48, 0·64 | 0·64 | 0·57, 0·72 |
| Household income ($CAN) | ||||||
| <20 000 | 0·54 | 0·43, 0·68 | 0·76 | 0·61, 0·94 | 0·66 | 0·55, 0·79 |
| 20 000–39 999 | 0·68 | 0·55, 0·84 | 0·78 | 0·66, 0·93 | 0·69 | 0·60, 0·79 |
| 40 000–59 999 | 0·88 | 0·72, 1·09 | 0·78 | 0·66, 0·92 | 0·74 | 0·65, 0·84 |
| 60 000–79 000 | 0·71 | 0·57, 0·89 | 1·02 | 0·88, 1·21 | 0·95 | 0·84, 1·09 |
| ≥80 000 | 1·00 | Reference | 1·00 | Reference | 1·00 | Reference |
| Education | ||||||
| Low | 0·61 | 0·50, 0·74 | 0·77 | 0·67, 0·88 | 0·70 | 0·62, 0·78 |
| Medium | 0·99 | 0·84, 1·17 | 0·98 | 0·87, 1·10 | 0·97 | 0·88, 1·07 |
| High | 1·00 | Reference | 1·00 | Reference | 1·00 | Reference |
| Smoking status | ||||||
| Non-smoker | 1·00 | Reference | 1·00 | Reference | 1·00 | Reference |
| Former smoker | 0·94 | 0·81, 1·08 | 0·96 | 0·85, 1·08 | 0·96 | 0·88, 1·05 |
| Smoker | 0·62 | 0·49, 0·77 | 0·69 | 0·59, 0·80 | 0·68 | 0·60, 0·77 |
| Alcohol drinking | ||||||
| None | 1·00 | Reference | 1·00 | Reference | 1·00 | Reference |
| Occasional | 0·77 | 0·61, 0·96 | 1·11 | 0·97, 1·26 | 1·02 | 0·92, 1·14 |
| Regular | 1·25 | 1·05, 1·50 | 0·95 | 0·84, 1·09 | 1·03 | 0·93, 1·15 |
| Leisure-time physical activities | ||||||
| Yes | 1·00 | Reference | 1·00 | Reference | 1·00 | Reference |
| No | 0·81 | 0·65, 1·01 | 0·78 | 0·61, 0·91 | 0·78 | 0·69, 0·88 |
| Immigrant | ||||||
| Yes | 1·00 | Reference | 1·00 | Reference | 1·00 | Reference |
| No | 1·14 | 0·98, 1·34 | 1·36 | 1·20, 1·54 | 1·28 | 1·17, 1·41 |
| Marital status | ||||||
| Married/common law | 1·00 | Reference | 1·00 | Reference | 1·00 | Reference |
| Widowed | 0·81 | 0·57, 1·14 | 1·00 | 0·85, 1·18 | 0·93 | 0·81, 1·07 |
| Divorced/separated | 0·81 | 0·62, 1·07 | 1·00 | 0·85, 1·18 | 0·95 | 0·82, 1·09 |
| Single | 1·26 | 0·94, 1·69 | 1·09 | 0·88, 1·36 | 1·12 | 0·94, 1·33 |
| Self-perceived health | ||||||
| Poor | 1·73 | 1·19, 2·50 | 1·24 | 0·93, 1·64 | 1·36 | 1·08, 1·70 |
| Fair | 1·28 | 0·98, 1·67 | 1·21 | 0·99, 1·48 | 1·21 | 1·04, 1·42 |
| Good | 1·23 | 1·00, 1·51 | 1·21 | 1·04, 1·41 | 1·21 | 1·07, 1·36 |
| Very good | 1·26 | 1·04, 1·53 | 1·25 | 1·08, 1·44 | 1·25 | 1·11, 1·40 |
| Excellent | 1·00 | Reference | 1·00 | Reference | 1·00 | Reference |
| Chronic condition | ||||||
| Yes | 1·00 | Reference | 1·00 | Reference | 1·00 | Reference |
| No | 0·73 | 0·61, 0·87 | 0·64 | 0·56, 0·74 | 0·67 | 0·60, 0·76 |
*
Odds ratio estimates for a given independent variable are adjusted for all additional variables that appear in the table.