TABLE 4.

Logistic regression analysis between non-dipper blood pressure and serum 25(OH)D level, rMSSD, gender, age, and BMI.

Variables	Beta	SE	Ward	P-value	OR	95% CI of OR
25(OH)D level	–0.021	0.010	4.408	0.036	0.979	0.960, 0.999
rMSSD	0.004	0.003	1.762	0.184	1.004	0.998, 1.009
Gender	–0.125	0.409	0.094	0.760	0.882	0.395, 1.968
Age	–0.090	0.093	0.947	0.330	0.914	0.762, 1.096
BMI	–0.082	0.078	1.097	0.295	0.921	0.790, 1.074

BMI, body mass index; rMSSD, square root of mean squared differences of successive normal to normal intervals.