Skip to main content

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

From: Association of vitamin D status with socio-demographic factors in Calgary, Alberta: an ecological study using Census Canada data

Variable Vitamin D insufficient (< 50 nmol/L) Vitamin D sufficient (≥ 50 nmol/L) Total
  (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)
  1. 1 IQR=interquartile range.