Table 2 Data summary of the individual- and census dissemination area-level variables included in the analysis, stratified by the presence of vitamin D insufficiency
Variable | Vitamin D insufficient (< 50 nmol/L) | Vitamin D sufficient (≥ 50 nmol/L) | Total |
|---|---|---|---|
| Â | (N=41,401) | (N=116,926) | (N=158,327) |
Age (years) | |||
 Mean (SD) | 47.7 (14.4) | 53.6 (15.4) | 52.1 (15.4) |
Gender, n (%) | |||
 Female | 24262 (58.6) | 78417 (67.1) | 102679 (64.9) |
Month of Vitamin D testing, n (%) | |||
 January | 4084 (9.9) | 10615 (9.1) | 14699 (9.3) |
 Feburary | 4210 (10.2) | 10996 (9.4) | 15206 (9.6) |
 March | 6025 (14.6) | 12657 (10.8) | 18682 (11.8) |
 April | 4371 (10.6) | 11153 (9.5) | 15524 (9.8) |
 May | 3999 (9.7) | 12245 (10.5) | 16244 (10.3) |
 June | 4345 (10.5) | 12409 (10.6) | 16754 (10.6) |
 July | 2939 (7.1) | 10736 (9.2) | 13675 (8.6) |
 August | 2863 (6.9) | 10912 (9.3) | 13775 (8.7) |
 September | 2015 (4.9) | 6723 (5.7) | 8738 (5.5) |
 October | 2265 (5.5) | 6745 (5.8) | 9010 (5.7) |
 November | 2277 (5.5) | 6618 (5.7) | 8895 (5.6) |
 December | 2008 (4.9) | 5117 (4.4) | 7125 (4.5) |
Median household income of the dissemination area ($CDN) | |||
 Median (IQR1) | 70690 (52623–87577) | 73831 (55649–96393) | 73264 (54982–94482) |
Percent of individuals in the dissemination area not born in Canada | |||
 Median (IQR) | 25.6 (17.3-37.1) | 21.0 (14.1-29.9) | 22.3 (14.8-31.9) |
Percent of aboriginals in the dissemination area | |||
 Median (IQR) | 1.7 (0.0 - 3.4) | 1.6 (0.0 - 3.0) | 1.6 (0.0 - 3.1) |
Percent of individuals >= 25 years old in the dissemination area with an university degree | |||
 Median (IQR) | 49.0 (35.9-62.6) | 56.9 (43.9-67.9) | 55.7 (41.1 - 66.7) |