OR | P value | Lower 95% CI | Upper 95% CI | |
Year | ||||
2003 | Reference | |||
2004 | 1.78 | 0.001 | 1.25 | 2.53 |
2005 | 2.43 | <0.001 | 1.74 | 3.40 |
2006 | 3.26 | <0.001 | 2.37 | 4.48 |
2007 | 4.78 | <0.001 | 3.51 | 6.51 |
2008 | 9.72 | <0.001 | 7.19 | 13.14 |
2009 | 16.76 | <0.001 | 12.45 | 22.58 |
2010 | 24.63 | <0.001 | 18.31 | 33.12 |
2011 | 26.84 | <0.001 | 19.96 | 36.08 |
2012 | 33.65 | <0.001 | 25.04 | 45.23 |
2013 | 37.49 | <0.001 | 27.90 | 50.37 |
2014 | 34.81 | <0.001 | 25.90 | 46.77 |
2015 | 24.08 | <0.001 | 17.92 | 32.36 |
2016 | 24.33 | <0.001 | 18.10 | 32.69 |
2017 | 26.75 | <0.001 | 19.91 | 35.95 |
2018 | 30.37 | <0.001 | 22.60 | 40.80 |
Age group (years) | ||||
0–1 | Reference | |||
2–4 | 1.86 | <0.001 | 1.76 | 1.96 |
5–12 | 3.51 | <0.001 | 3.34 | 3.69 |
13–18 | 6.62 | <0.001 | 6.30 | 6.96 |
Socioeconomic status | ||||
Low | Reference | |||
Middle | 0.65 | <0.001 | 0.63 | 0.67 |
High | 0.66 | <0.001 | 0.65 | 0.68 |
Season | ||||
Summer | Reference | |||
Spring | 1.09 | <0.001 | 1.06 | 1.11 |
Autumn | 1.03 | 0.02 | 1.00 | 1.05 |
Winter | 1.05 | <0.001 | 1.03 | 1.08 |
25OHD, 25-hydroxyvitamin D.