Variable | 2003 to 2004 exp (B), 95% CI | 2005 to 2006 exp (B), 95% CI | 2007 to 2008 exp (B), 95% CI | 2009 to 2010 exp (B), 95% CI |
25OHD | 0.983 (0.978 to 0.987)* 0.980 (0.975 to 0.985)† 0.985 (0.979 to 0.990)‡ | 0.974 (0.968 to 0.980)* 0.970 (0.964 to 0.976)† 0.976 (0.969 to 0.982)‡ | 0.986 (0.982 to 0.990)* 0.984 (0.980 to 0.988)† 0.989 (0.984 to 0.993)‡ | 0.988 (0.985 to 0.992)* 0.984 (0.980 to 0.987)† 0.988 (0.984 to 0.991)‡ |
BMI | 1.069 (1.054 to 1.084)* 1.091 (1.074 to 1.109) † 1.078 (1.061 to 1.096)‡ | 1.073 (1.059 to 1.088)* 1.092 (1.076 to 1.109)† 1.079 (1.063 to 1.096)‡ | 1.078 (1.065 to 1.092)* 1.097 (1.083 to 1.112)† 1.089 (1.074 to 1.105)‡ | 1.078 (1.066 to 1.090)* 1.095 (1.082 to 1.109)† 1.088 (1.074 to 1.101)‡ |
p<0.0001.
*Univariate model.
†Controlled for age, sex and race.
‡Multivariate model controlled for age, sex, race and BMI.
BMI, body mass index; HbA1c, haemoglobin A1c; NHANES, National Health and Nutrition Examination Survey; 25OHD, 25-hydroxyvitamin D.