Table 2 Association between unhealthy life habits and laxative misuse and/or self-induced vomiting in Brazilian adolescent boys and girls (N = 102,072).

From: Unhealthy life habits associated with self-induced vomiting and laxative misuse in Brazilian adolescents

Variables

Male

Female

Total (%)

Laxative misuse and/or self-induced vomiting

Total (%)

Laxative misuse and/or self-induced vomiting

%

Crude PR (95% CI)

p

%

Crude PR (95% CI)

p

Experience smoking

No

80.3

5.3

1

 < 0.001

82.9

6.1

1

 < 0.001

Yes

19.7

10.8

2.04 (1.9–2.19)

17.1

14.5

2.37 (2.23–2.52)

Smoked during the last 30 days*

None

70.7

8.3

1

 < 0.001

71.3

12.3

1

 < 0.001

1–2 days

14.3

14.9

1.8 (1.54–2.09)

16.7

16.9

1.38 (1.21–1.57)

3–9 days

7.3

14.8

1.79 (1.47–2.17)

6.8

21.3

1.73 (1.47–2.05)

10 or more

7.7

22.5

2.72 (2.32 – 3.18)

5.2

27.5

2.24 (1.91–2.63)

Experience drinking

No

49.2

4.8

1

 < 0.001

47.4

4.4

1

 < 0.001

Yes

50.8

8.0

1.68 (1.56–1.8)

52.6

10.3

2.33 (2.18–2.49)

Drinking during the last 30 days*

None

60.1

6.0

1

 < 0.001

57.7

8.2

1

 < 0.001

1–2 days

23.2

9.6

1.59 (1.44–1.75)

26.8

10.7

1.31 (1.2–1.42)

3–9 days

11.3

11.5

1.91 (1.7–2.15)

10.9

15.8

1.93 (1.75–2.12)

10 or more

5.4

18.5

3.07 (2.7–3.48)

4.6

20.5

2.5 (2.2–2.82)

Experience getting drunk*

None

61.2

6.2

1

 < 0.001

63.7

8.0

1

 < 0.001

1–2 days

24.1

9.3

1.49 (1.35–1.64)

25.3

12.4

1.55 (1.43–1.68)

3–9 days

9.5

13.1

2.11 (1.87–2.37)

8.0

16.4

2.05 (1.84–2.28)

10 or more

5.2

16.4

2.64 (2.3–3.02)

3.1

23.4

2.93 (2.57–3.33)

Previous illicit drug use (marijuana, cocaine, crack)

No

90.7

5.7

1

 < 0.001

92.3

6.7

1

 < 0.001

Yes

9.3

13.3

2.34 (2.15–2.55)

7.7

17.2

2.57 (2.38–2.77)

Used drugs in the last 30 days*

None

52.7

10.9

1

 < 0.001

56.6

15.0

1

 < 0.001

1–2 days

22.3

14.8

1.36 (1.13–1.64)

24.0

19.1

1.28 (1.09–1.51)

3–9 days

13.1

15.5

1.42 (1.14–1.77)

12.2

20.6

1.38 (1.13–1.68)

10 or more

11.8

18.3

1.68 (1.35–2.08)

7.2

23.0

1.54 (1.22–1.94)

Consumption of ultra-processed salt food in the last 7 days

0–4 days

70.3

6.4

1

0.820

66.6

7.0

1

 < 0.001

5–7 days

29.7

6.3

0.99 (0.92–1.07)

33.4

8.5

1.22 (1.15–1.3)

Consumption of soft drinks in the last 7 days

0–4 days

72.6

5.7

1

 < 0.001

75.5

6.9

1

 < 0.001

5–7 days

27.4

8.3

1.46 (1.36–1.57)

24.3

9.6

1.39 (1.31–1.49)

Consumption of sweets in the last 7 days

0–4 days

66.5

6.1

1

 < 0.001

54.5

7.0

1

 < 0.001

5–7 days

33.5

7.0

1.14 (1.06–1.22)

45.5

8.2

1.17 (1.1–1.24)

Age of first sexual intercourse*

 ≥ 15 years

15.9

10.5

1

0.089

25.3

11.5

1

0.001

13 and 14 years

50.3

9.9

0.94 (0.83–1.07)

62.1

11.8

1.03 (0.91–1.17)

 ≤ 12 years

33.8

11.0

1.05 (0.92–1.19)

12.6

15.5

1.35 (1.15–1.6)

  1. The analysis was conducted using the Poisson regression model with robust variance. The effect measure is the PR with its respective 95% CI.
  2. Crude PR unadjusted prevalence ratio, 95% CI 95% confidence interval. * Only where applicable.