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Table 1 Baseline characteristics at trial entry by randomization group, mean (SD) unless stated otherwise

From: A randomized, double-blind, placebo-controlled trial of vitamin D supplementation with or without calcium in community-dwelling vitamin D deficient subjects

 

Vitamin D3 (n = 68)

Vitamin D3 + Calcium (n = 68)

Calcium (n = 75)

Placebo (n = 66)

P value

Age (years)

42 (11)

41 (13)

41 (13)

41 (13)

0.89

Gender, n (%)

 female

55 (78)

55 (73)

48 (73)

48 (70)

0.28

Smoking, n (%)

    

0.945

 Yes

8 (11)

10 (13)

7 (11)

10 (15)

 

 Occasionally

5 (7)

3 (4)

2 (3)

2 (3)

 

 No

55 (79)

63 (82)

55 (83)

55 (80)

 

Diabetes mellitus, n (%)a

7 (10)

10 (13)

12 (18)

17 (25)

0.02

Hypertension, n (%)a

8 (11)

11 (15)

9 (14)

14 (20)

0.14

Body mass index (BMI)

29.3 (5)

28.7 (5.5)

29 (6)

28.6 (5)

0.99

Systolic blood pressure

118 (8)

120 (9)

116 (10)

122 (14)

0.35

Diastolic blood pressure

75 (6)

79 (5)

76 (6)

77 (6)

0.28

Cholesterol (mmol/L)

7 (10)

8 (11)

4 (6)

14 (20)

0.08

Calcium (mmol/L)

2.28 (0.1)

2.29 (0.1)

2.27 (0.1)

2.27 (0.09)

0.98

Vitamin D (ng/ml)

22.8 (9)

19.0 (11)

25.4 (11)

25.1 (11)

0.58

Physical activity n (%)

    

0.65

 Very active

18 (25)

17 (23)

12 (18)

8 (12)

 

 Moderate

41 (59)

47 (62)

37 (57)

49 (72)

 

 Not active

11 (16)

17 (22)

16 (25)

11 (16)

 

Body pains, n (%)

    

0.97

 yes

27 (38)

23 (31)

21 (32)

26 (38)

 

 no

43 (62)

52 (69)

44 (67)

42 (62)

 

General Health, n (%)

    

0.99

 excellent

6 (8)

9 (12)

6 (9)

4 (6)

 

 good

58 (78)

55 (71)

52 (76)

54 (76)

 

 fair

10 (14)

9 (12)

8 (12)

8 (11)

 

 poor

0 (0)

4 (5)

2 (3)

5 (7)

 
  1. ahistory of previously diagnosed diabetes mellitus or hypertension