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Table 2 Effects of locality size on Mexican adolescents' risk behaviors.

From: Socioeconomic status, urbanicity and risk behaviors in Mexican youth: an analysis of three cross-sectional surveys

Variable

Ever smoked

Smokes currently

Drinks alcohol

Sexual initiationc

Use of condomd

Age (continuos variable)

1.15***

1.28***

1.21***

1.65***

0.97

Ā 

(1.13-1.17)

(1.24-1.32)

(1.18-1.24)

(1.61-1.69)

(0.92-1.02)

Gender (0 = Female; 1 = Male)

Ā Ā Ā Ā Ā 

Single

3.35***

8.04***

2.63***

Ā 

6.21***

Ā 

(3.08-3.65)

(6.69-9.65)

(2.37-2.92)

0.87***

(5.02-7.68)

Married

6.90***

16.36***

8.00***

(0.79-0.95)

2.35***

Ā 

(5.69-8.36)

(11.5-23.1)

(6.46-9.90)

Ā 

(1.84-3.00)

Marital status (0 = Single; 1 = Married)

Ā Ā Ā Ā Ā 

Female

0.82***

0.54***

0.51***

Ā 

0.54***

Ā 

(0.71-0.94)

(0.39-0.75)

(0.43-0.60)

N/A

(0.43-0.69)

Male

1.69***

1.11

1.54***

Ā 

0.20***

Ā 

(1.43-2.00)

(0.92-1.33

(1.30-1.83)

Ā 

(0.16-0.26)

Locality sizeb according to SES:

Ā Ā Ā Ā Ā 

1st Quartile-SES (highest SES)

Ā Ā Ā Ā Ā 

Small semi-urban locality

0.41***

0.72*

0.32***

1.07

0.59*

Ā 

(0.29-0.58)

(0.51-1.04)

(0.22-0.45)

(0.77-1.49)

(0.34-1.01)

Large semi-urban locality

0.45***

0.77

0.32***

1.42**

0.45***

Ā 

(0.31-0.65)

(0.51-1.17)

(0.22-0.46)

(1.01-1.98)

(0.25-0.81)

Urban locality

0.34***

0.58***

0.26***

1.14

0.74

Ā 

(0.24-0.49)

(0.39-0.86)

(0.18-0.37)

(0.83-1.57)

(0.44-1.24)

2nd Quartile-SES

Ā Ā Ā Ā Ā 

Small semi-urban locality

0.43***

1.05

0.43***

1.48**

0.79

Ā 

(0.31-0.58)

(0.74-1.49)

(0.31-0.60)

(1.09-2.01)

(0.44-1.42)

Large semi-urban locality

0.37***

0.98

0.34***

1.40**

0.82

Ā 

(0.26-0.53)

(0.67-1.45)

(0.24-0.49)

(1.00-1.94)

(0.44-1.54)

Urban locality

0.33***

0.82

0.34***

1.52**

1.11

Ā 

(0.23-0.47)

(0.53-1.26)

(0.24-0.49)

(1.07-2.14)

(0.62-1.98)

3rd Quartile-SES

Ā Ā Ā Ā Ā 

Small semi-urban locality

0.38***

0.86

0.37***

0.94

0.72

Ā 

(0.28-0.51)

(0.58-1.26)

(0.26-0.54)

(0.70-1.26)

(0.46-1.12)

Large semi-urban locality

0.37***

0.73

0.38***

0.85

0.70

Ā 

(0.26-0.53)

(0.47-1.12)

(0.26-0.55)

(0.64-1.13)

(0.45-1.08)

Urban locality

0.33***

0.70

0.25***

1.22

1.00

Ā 

(0.22-0.50)

(0.46-1.07)

(0.16-0.39)

(0.92-1.63)

(0.61-1.66)

4th Quartile-SES (low SES)

Ā Ā Ā Ā Ā 

Small semi-urban locality

0.41***

0.66**

0.44***

0.82

1.44*

Ā 

(0.28-0.59)

(0.45-0.98)

(0.30-0.65)

(0.60-1.12)

(0.99-2.11)

Large semi-urban locality

0.37***

0.71

0.39***

0.69**

1.88**

Ā 

(0.25-0.55)

(0.47-1.07)

(0.26-0.58)

(0.51-0.94)

(1.15-3.06)

Urban locality

0.57**

0.78

0.44***

0.95

1.76**

Ā 

(0.36-0.90)

(0.54-1.13)

(0.27-0.71)

(0.69-1.33)

(1.06-2.90)

Ā 

n = 17,974

n = 17,974

n = 17,974

n = 17,974

n = 4,641

  1. Results are odds ratios (IC 95%).
  2. *p ā‰¤ 0.1 **p ā‰¤ 0.05 ***p ā‰¤ 0.01.
  3. a = Analyses carried adjusting by primary sample unit. Multivariate model also includes educational level and survey year (2001 vs 2003). Two interaction terms included: marital status*gender and locality size*socioeconomic status (SES). OR for exposure categories in these variables are calculated with lincom command in Stata.
  4. b = Rural locality of: ā‰¤ 2,500 inhabitants is the reference category comparing to small semi-urban locality: > 2,500 and ā‰¤ 15,000; large semi-urban locality: > 15,000 and ā‰¤ 100,000; and urban locality: > 100,000 inhabitants.
  5. c = Model without marital status*gender interaction term; result is OR for variable gender only.
  6. d = Among those who have initiated sexual activity.
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BMC Public Health

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