Table 3 Physical activities behaviors among the participants (N = 3637)

N (%)

N (%)

N (%)

N (%)

School type

 Middle school

129(12.9)

520(51.8)

213(21.2)

142(14.1)

 High school

139(13.6)

613(59.6)

213(20.7)

63(6.1)

 Vocational high school

123(14.5)

495(58.6)

156(18.5)

71(8.4)

 University

86(11.3)

522(68.7)

94(12.4)

58(7.6)

 χ²

86.328**

Gender

 Male

171(9.6)

885(49.6)

446(25.0)

281(15.8)

 Female

306(16.5)

1265(68.2)

230(12.4)

53(2.9)

 χ²

328.768**

Residence

 Country

340(15.9)

1358(63.4)

320(14.9)

125(5.8)

 City

137(9.2)

792(53.0)

356(23.8)

209(14.0)

 χ²

147.319**

Family population

 1–3

50(11.1)

270(60.1)

81(18.0)

48(10.8)

 4–5

292(12.6)

1339(57.7)

463(20.0)

225(9.7)

 6–15

135(15.5)

541(62.3)

132(15.2)

61(7.0)

 χ²

22.036*

Only child

 Yes

49(11.0)

246(55.4)

87(19.6)

62(14.0)

 No

428(13.5)

1904(59.6)

589(18.4)

272(8.5)

 χ²

15.706*

Father`s educational level

 Primary school and below

115(17.2)

416(62.3)

89(13.3)

48(7.2)

 Middle school

232(14.0)

990(59.7)

305(18.4)

131(7.9)

 Senior high school and above

130(9.9)

744(56.8)

282(21.5)

155(11.8)

 χ²

54.072**

Mother`s educational level

 Primary school and below

151(15.5)

622(64.0)

128(13.2)

71(7.3)

 Middle school

197(13.3)

864(58.1)

304(20.4)

122(8.2)

 Senior high school and above

129(11.1)

664(56.3)

244(20.6)

141(12.0)

 χ²

50.461**

Close friends

 0

20(29.8)

29(43.3)

13(19.4)

5(7.5)

 1–2

171(17.2)

599(60.1)

153(15.4)

73(7.3)

 3–5

208(12.0)

1084(62.3)

310(17.8)

138(7.9)

  > 6

78(9.4)

438(52.5)

200(24.0)

118(14.1)

 χ²

98.235**

Self-reported family income

 Low

102(15.2)

410(60.9)

108(16.0)

53(7.9)

 Moderate

333(12.8)

1564(60.2)

478(18.4)

224(8.6)

 High

42(11.5)

176(48.2)

90(24.7)

57(15.6)

 χ²

39.466**

Self-reported study burden

 Light

15(8.1)

94(50.5)

48(25.8)

29(15.6)

 Moderate

288(13.2)

1319(60.3)

385(17.6)

195(8.9)

 Heavy

174(13.8)

737(58.3)

243(19.2)

110(8.7)

 χ²

22.448*