Skip to main content

Table 1 Basic characteristics of 1340 cases and 2662 controls in southern China

From: Association of stress management skills and stressful life events with allergy risk: a case-control study in southern China

Variable

participants without self-reported illness or injurya

P

participants with self-reported illness or injurya

P

Cases

N(%)

Controls

N(%)

Cases

N(%)

Controls

N(%)

Age (year, mean ± SD)

28.25 ± 9.46

28.10 ± 9.26

0.658

26.90 ± 8.14

25.63 ± 7.80

0.104

Sex

  

0.528

  

0.165

 Male

509(46.0)

1110(44.9)

 

92(39.3)

87(46.0)

 

 Female

597(54.0)

1363(55.1)

 

142(60.7)

102(54.0)

 

Education

  

0.829

  

0.953

 Compulsory school

73(6.6)

177(7.2)

 

10(4.3)

7(41.2)

 

 High school graduate

341(30.8)

754(30.5)

 

57(24.4)

47(24.9)

 

 University/college degree

692(62.6)

1542(62.4)

 

167(71.4)

135(71.4)

 

BMI (kg/m2)

  

0.062

  

0.895

 <18.5

187(16.9)

486(19.7)

 

52(22.2)

40(21.2)

 

 18.5–23.9

734(66.4)

1628(65.8)

 

151(64.5)

126(66.7)

 

  ≥ 24

185(16.7)

359(14.5)

 

31(13.2)

23(12.2)

 

Smoking status

  

0.113

  

0.626

 Never

945(85.4)

2161(87.4)

 

207(88.5)

170(89.9)

 

 Current/Former

161(14.6)

312(12.6)

 

27(11.5)

19(10.1)

 

Alcohol intake

  

0.145

  

0.096

 Never

324(29.3)

804(32.5)

 

53(22.6)

53(28.0)

 

 Sometimes

757(68.4)

1621(65.5)

 

174(74.4)

135(43.7)

 

 Often/always

25(2.3)

48(1.9)

 

7(3.0)

1(0.5)

 

Physical activityb

  

<0.001

  

0.185

 Rarely/never

275(24.9)

454(18.4)

 

58(24.8)

33(17.5)

 

 Sometimes

483(43.7)

1049(42.4)

 

96(41.0)

87(46.0)

 

 Often/always

348(31.5)

970(39.2)

 

80(34.2)

69(36.5)

 
  1. aSelf-reported illness or injury: personal injury or illness as one kind of life event, but not serious because people with serious or chronic diseases are excluded at the beginning of the research. bVigorous physical activity in leisure-time exercise. Values of P for age were calculated using the independent-samples t test; and others using the chi-squared test. Significant differences are highlighted in bold