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Table 3 Demographic and pre-pubertal predictors of earlier puberty onset in males

From: Early pubertal onset and its relationship with sexual risk taking, substance use and anti-social behaviour: a preliminary cross-sectional study

  

Age of puberty (years)

Total+

  

Online (%)

Paper (%)

   
  

n

≤ 11

≥ 12

P

n

≤ 11

≥ 12

P

AOR

95%CI

P

Age at

16-24 years

143

51.6

45.1

0.271

363

94.7

88.9

*

Ref

  

survey

≥ 25 years

151

48.4

54.9

 

32

5.3

11.1

 

0.64

(0.44-0.94)

*

Ethnicity

white

274

93.8

93.2

0.834

376

95.1

95.7

0.776

   
 

other

19

6.2

6.8

 

18

4.9

4.3

 

ns

  

Sexuality

heterosexual

207

65.8

76.5

*

363

91.7

92.6

0.744

   
 

gay/bisexual

86

34.2

23.5

 

31

8.3

7.4

 

1.97

(1.25-3.11)

**

Number of childhood

≤ 1

190

64.0

65.4

0.797

315

80.6

78.8

0.666

ns

  

illnesses§

≥ 2

104

36.0

34.6

 

80

19.4

21.2

    

Overweight§

no

270

91.3

92.5

0.714

347

85.9

91.0

0.116

ns

  
 

yes

24

8.7

7.5

 

46

14.1

9.0

    

Father at

no

54

15.8

22.9

0.129

89

25.5

21.5

0.365

ns

  

home§

yes

229

84.2

77.1

 

288

74.5

78.5

    

Days off

≤ 10

221

80.5

82.6

0.316

316

81.0

79.5

0.105

ns

  

school per year§

≥ 11

72

19.5

17.4

 

77

19.0

20.5

    

In poorest socio-

no

189

65.8

72.4

0.243

293

74.6

82.3

0.07

Ref

  

economic grouping$§

yes

86

34.2

27.6

 

81

25.4

17.7

 

1.59

(1.09-2.31)

*

  1. $ Socio-economic grouping is based on highest ranking parents. Lowest grouping includes those whose parents' occupation was semi-routine and routine and those who never worked or were long-term unemployed (see methods for more details). §Questions refer to childhood before the age of 12 years (see methods for more details). *<0.05, **<0.01, ***<0.001, ns = not significant. +Logistic regression analysis utilised all variables in table as well as data source (i.e. online or paper), AOR = Adjusted Odds Ratio, CI = Confidence Intervals.
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BMC Public Health

ISSN: 1471-2458

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