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Table 1 The Relationship between Mental health, eating disorder and demographic characteristics (qualitative variables) of subjects

From: Factors associated with disordered feeding among high school students in Kerman City, Iran

Variable

 

Frequency (%)

Mental health

Eating disorders

Mean/SD

Statistic test/P value

Mean/SD

Statistic test/P value

Maternal education

Uneducated

11(2)

39(7.91)

λ2 = 3.44(0.49)

16.27 (14.06)

λ2 = 1.83(0.77)

Middle school

73(13.5)

34.41(14.62)

13.68(8.65)

Diploma

294(54.3)

35.14(14.5)

13.14(8)

Bachelor of art

123(22.7)

33.55(14.12)

14.44(8.62)

Master and higher

40(7.4)

37.4(16.4)

14.8(9.27)

Paternal education

Uneducated

9(1.7)

39.11(11.99)

λ2 = 6.01(0.2)

17.88(11.46)

λ2 = 1.98(0.74)

Middle school

80(15)

35.88(14.59)

13.65(8.4)

Diploma

276(51.7)

34.68(14.06)

13.58(8.39)

Bachelor of art

119(22.3)

33.27(15.27)

13.45(8.3)

Master and higher

50(9.4)

37.96(14.87)

15.06(9.52)

Mother’s job

Housewife

376(70)

34.17(14.07)

Z =  − 1.6(0.11)

13.74(8.54)

Z =  − 0.08(0.94)

Employed

161(30)

36.55(15.25)

13.77(8.22)

Father’s job

Unemployed

27(5.2)

34.51(14.92)

Z =  − 0.001(0.99)

13.96(9.32)

Z =  − 0.14(0.89)

Employed

494(94.8)

34.61(14.42)

13.65(8.46)

Income

 < 500,000 tomans

31(6)

35.12(12.35)

λ2 = 0.82(0.84)

13.61(9.34)

λ2 = 0.64(0.89)

500,000–1,000,000 tomans

82(15.9)

34.14(16.25)

14.2(8.38)

1,000,000–1,500,000

107(20.7)

34.56(13.91)

14.51(9.77)

 > 1,500,000

296(57.4)

35.24(14.48)

13.44(8.22)

Parental relationship

Living with each other

505(96)

3. 21(14.24)

Z =  − 3.41(0.001)

13.7(8.56)

Z =  − 0.1(0.32)

Got divorced

21(4)

46.57(16.52)

15.61(8.89)

Living with parents

With father or mother

4(0.8)

41.06(16.22)

Z =  − 2.43(0.02)

15.97(10.67)

Z =  − 0.86(0.39)

Both

478(93)

34.46(14.31)

13.64(8.28)

Number of sisters

None

208(38)

34.39(14.24)

λ2 = 0.84(0.84)

13.36(7.94)

λ2 = 0.24(0.97)

One

225(41.1)

35.63(14.88)

13.95(8.82)

Two

86(15.7)

34.45(14.38)

13.16(8.48)

Three and more

28(5.2)

34.32(13.76)

14.32(10.59)

Number of brothers

None

212(38.9)

34.68(15.02)

λ2 = 2.4(0.49)

13.87(9.02)

λ2 = 1.04(0.97)

One

229(42)

34.76(14.57)

13.32(7.89)

Two

81(14.9)

36.76(14.07)

14.24(8.61)

Three or more

23(4.2)

32.26(9.47)

14.95(9.86)

Birth rank

First

247(47.8)

34.31(14.26)

λ2 = 1.76(0.62)

14.18(8.42)

λ2 = 3.28(0.35)

Second

146(28.2)

36.43(14.64)

13.15(9.3)

Third

79(15.3)

34.16(14.94)

12.45(6.95)

Fourth and higher

45(8.7)

34.75(13.64)

13.75(7.55)

Rate of exercise

Not at all

101(18.7)

40.64(14.37)

λ2 = 25.37(< 0.001)

14.53(8.18)

λ2 = 6.14(0.19)

Very low

23(3.4)

35.82(13.73)

13.43(6.74)

Low

198(36.7)

34.88(14.2)

12.7(7.61)

Moderate

170(31.5)

32.6(14.34)

13.56(9.07)

Intense

47(8.7)

30.53(13.4)

15.57(8.72)

Disease history

No

484(88.5)

33.79(14.22)

Z =  − 4.88(< 0.001)

13.53(8.49)

Z =  − 1.43(0.15)

Yes

63(11.5)

43.44(13.69)

15.17(8.67)

Variable

Mean/SD

    

BMI

17.02(3.2)

 

R =  − 0.05(0.27)

 

r = 0.09(0.03)

  1. r = Spearman correlation coefficient, Z = Mann–Whitney U test, λ2 = Kruskal Wallis test