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Table 1 Descriptive summary of baseline outcomes by subgroup

From: The effect of active video games by ethnicity, sex and fitness: subgroup analysis from a randomised controlled trial

 

Intervention

Control

Overall

n

Mean

SD

n

Mean

SD

n

Mean

SD

BMI (kg/m 2 )

         

Gender

         

 Female

44

25.96

4.25

43

26.51

4.65

87

26.23

4.43

 Male

116

25.52

4.03

119

25.47

4.09

235

25.5

4.05

Ethnicity

         

 NZEO

92

24.73

3.63

91

24.55

3.85

183

24.64

3.73

 Maori

27

26.77

4.31

28

25.87

2.96

55

26.31

3.68

 Pacific

41

26.96

4.44

43

28.19

4.75

84

27.59

4.61

Baseline VO2max

         

 Low

51

27.56

4.27

52

27.89

5.01

103

27.73

4.64

 Medium

59

25.81

4.1

54

25.22

4.04

113

25.53

4.06

 High

49

23.49

2.68

54

24.21

2.68

103

23.87

2.69

All

160

25.64

4.08

162

25.75

4.25

322

25.7

4.16

BMI z-score

         

Gender

         

 Female

44

1.11

0.97

43

1.29

0.96

87

1.2

0.97

 Male

116

1.31

1.2

119

1.24

1.14

235

1.27

1.17

Ethnicity

         

 NZEO

92

1.5

1.12

91

1.47

1.19

183

1.49

1.15

 Maori

27

1.22

0.9

28

0.93

0.54

55

1.08

0.74

 Pacific

41

0.73

1.18

43

1.01

1.08

84

0.87

1.13

Baseline VO2max

         

 Low

51

1.73

1.1

52

1.83

1.26

103

1.78

1.18

 Medium

59

1.25

1.17

54

1.13

1

113

1.19

1.09

 High

49

0.78

0.98

54

0.79

0.74

103

0.79

0.86

All

160

1.26

1.14

162

1.25

1.1

322

1.25

1.12

Percentage body fat (%)

         

Gender

         

 Female

44

34.38

4.78

43

35.16

5.73

87

34.76

5.26

 Male

114

31.24

6.88

117

31.5

6.37

231

31.37

6.61

Ethnicity

         

 NZEO

91

32.33

6.12

90

33.61

5.95

181

32.96

6.05

 Maori

27

33.67

5.63

28

31.24

6.24

55

32.43

6.02

 Pacific

40

30.59

7.67

42

30.9

7.06

82

30.75

7.32

Baseline VO2max

         

 Low

49

36.21

4.5

51

36.21

5.55

100

36.21

5.04

 Medium

59

32.27

5.4

54

32.53

5.74

113

32.4

5.54

 High

49

27.78

6.82

53

28.9

5.52

102

28.36

6.17

All

158

32.12

6.51

160

32.48

6.39

318

32.3

6.44

  1. BMI – body mass index; kg – kilogram; m – metre; n – number; NZEO – New Zealand European/Other; SD – standard deviation; VO2max – maximal oxygen uptake.