Table 1 Sociodemographic characteristics of participants in northwest China with sufficient/insufficient or vigorous/non-vigorous physical activity.

From: Different associations of sufficient and vigorous physical activity with BMI in Northwest China

N

Insufficient PA

Sufficient PA

t/χ2

P

Not-vigorous PA

vigorous PA

t/χ2

P

1121 (11.03)

9045 (88.97)

7047 (69.32)

3119 (30.68)

gender

  

16.279

<0.01

  

530.15

<0.01

  Male

572 (51.03)

4040 (44.67)

  

2664 (37.80)

1948 (62.46)

  

  female

549 (48.97)

5005 (55.33)

  

4383 (62.20)

1171 (37.54)

  

Residence

  

34.537

<0.01

  

316.54

<0.01

  rural

435 (38.80)

4350 (48.09)

  

2904 (41.21)

1881 (60.31)

  

  urban

686 (61.20)

4695 (51.91)

  

4143 (58.79)

1238 (39.69)

  

age

52.98 ± 17.02

49.11 ± 13.84

−7.31

<0.01

50.4 ± 14.98

47.59 ± 12.32

9.91

<0.01

Education

  

12.397

0.006

  

80.72

<0.01

  ≤6 years

493 (43.98)

3665 (40.52)

  

2716 (38.54)

1442 (46.23)

  

  6~9 years

536 (47.81)

4789 (52.95)

  

3783 (53.68)

1542 (49.44)

  

  >9 years

89 (7.94)

577 (6.38)

  

538 (7.63)

128 (4.10)

  

vegetable/fruit

476.73 ± 415.19

535.35 ± 425.87

4.358

<0.01

528.15 ± 410.42

530.53 ± 456.51

−0.26

0.79

red meat

44.44 ± 92.50

35.97 ± 74.17

−2.948

0.003

36.9 ± 75.55

36.92 ± 78.44

−0.015

0.99

Salt

10.25 ± 10.32

9.55 ± 7.74

−2.001

0.045

9.27 ± 7.84

10.40 ± 8.45

−5.99

<0.01

Oil

56.07 ± 29.31

57.53 ± 31.79

1.271

0.204

55.45 ± 30.74

61.62 ± 32.85

−7.95

<0.01

alcohol

19.71 ± 50.46

17.91 ± 44.79

−1.144

0.253

14.39 ± 40.99

26.49 ± 53.25

−11.29

<0.01

Smoke

  

1.768

0.184

  

326.03

<0.01

  Nonhabitual

841 (75.02)

6947 (76.80)

  

5754 (81.65)

2034 (65.21)

  

  Habitual

280 (24.98)

2098 (23.20)

  

1293 (18.35)

1085 (34.79)

  

BMI group

  

6.064

0.194

  

32.13

<0.01

  <18.5

48 (4.28)

271 (3)

  

225 (3.19)

94 (3.01)

  

  18.5~24

524 (46.74)

4285 (47.37)

  

3223 (45.74)

1586 (50.85)

  

  24~28

384 (34.26)

3197 (35.35)

  

2513 (35.66)

1068 (34.24)

  

  ≥28

147 (13.11)

1167 (12.90)

  

978 (13.88)

336 (10.77)

  

MET (min/week)

184.89 ± 197.16

7017.79 ± 6798.39

95.265

<0.01

4217.06 ± 4193.22

10889.9 ± 8854.29

−40.14

<0.01

  1. Values are presented as n (%) or mean ± SD.
  2. Abbreviations: PA, physical activity; BMI, body mass index; MET, metabolic equivalent.