Table 3 Differences in 25(OH)D (nmol/l) concentrations between women and men groups of older cohort data stratified by potential effectors.

From: Vitamin D sufficiency and its relationship with muscle health across the menopausal transition and aging: Finnish cohorts of middle-aged women and older women and men

Group variables

Women mean ± SD

Men mean ± SD

p-value between-subjects effects (sex)

p-value between-subjects effects (group)

All

86.8 ± 30.0 (n = 516)

81.3 ± 30.9 (n = 392)

0.007

 

Education at baseline

  

0.007

0.836

 At most secondary

86.8 ± 29.7 (n = 309)

80.6 ± 30.4 (n = 207)

  

 A least tertiary

86.7 ± 30.6 (n = 203)

81.8 ± 31.3 (n = 182)

  

Smoking status

  

0.030

0.975

 Never smoker

86.3 ± 29.8 (n = 424)

82.4 ± 29.8 (n = 202)

  

 Ever smoker

88.1 ± 29.8 (n = 72)

81.0 ± 32.2 (n = 171)

  

Physical activity

  

0.002

0.279

 Low level

83.3 ± 31.8 (n = 73)

76.1 ± 33.6 (n = 39)

  

 Medium level

87.7 ± 30.4 (n = 385)

80.6 ± 30.9 (n = 277)

  

 High level

85.7 ± 25.6 (n = 50)

85.2 ± 28.6 (n = 69)

  

Body mass index

  

0.002

0.004

 Normal

88.68 ± 25.4 (n = 122)

86.1 ± 31.3 (n = 110=

  

 Overweight

89.0 ± 31.7 (n = 225)

80.7 ± 30.0 (n = 180)

  

 Obesity

81.6 ± 25.8 (n = 145)

74.6 ± 29.4 (n = 59)

  

Season at time of blood sampling

  

0.010

0.197

 Spring

89.5 ± 29.8 (n = 122)

78.8 ± 30.7 (n = 108)

  

 Summer

83.2 ± 28.0 (n = 56)

76.6 ± 27.5 (n = 46)

  

 Autumn

86.9 ± 29.9 (n = 245)

84.6 ± 32.1 (n = 179)

  

 Winter

82.8 ± 23.4 (n = 92)

79.4 ± 29.5 (n = 59)

  
  1. Significant p-values are bolded.