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Table 2 Descriptive statistics by sexual intercourse status and by sex

From: Influence of parental factors on adolescents’ transition to first sexual intercourse in Nairobi, Kenya: a longitudinal study

  Males Females
  Non-virgins (n = 239) Transitions (n = 59) Virgins (n = 704) Non-virgins (n = 181) Transitions (n = 56) Virgins (n = 688)
Baseline sociodemographic characteristics       
Mean age (SD) in yearsa, b 17.3 (1.74) 16.3 (2.03) 14.5 (2.04) 17.3 (1.69) 16.4 (1.76) 14.6 (2.07)
Residence b (%)       
 Korogocho 54.1 44.7 44.7 62.5 52.7 46.6
 Viwandani 45.9 55.3 55.3 37.5 47.3 53.4
Living arrangementa, b (%)       
 With parent(s) 76.7 89.6 97.2 93.6 94.1 99.7
School enrollmenta, b (%)       
 In school 48.5 62.5 90.4 33.5 51.9 88.7
Baseline psychosocial controls       
Mean (SD) peer models for risk behaviora, b, c 0.51 (1.21) 0.19 (1.06) −0.06 (0.93) 0.35 (1.16) −0.01 (0.86) −0.19 (0.79)
Mean (SD) delinquencya, b, c 0.41 (1.04) 0.02 (0.59) 0.01 (0.54) 0.16 (0.67) −0.11 (0.40) −0.17 (0.36)
Mean (SD) religiositya, b, c −0.50 (1.25) −0.26 (1.15) 0.00 (0.88) −0.11 (0.91) 0.07 (0.69) 0.19 (0.63)
Baseline parenting variables       
Parental monitoringa, b (%)       
 Low/does not live with parent(s) 61.3 47.9 36.4 54.6 34.6 17.6
 Medium 25.8 23.0 30.9 31.4 36.5 36.2
 High 12.9 29.1 32.7 14.0 29.0 46.2
Parental discipline (scolding)a, b (%)       
 Not living with parents 19.6 8.9 2.3 5.3 5.9 0.1
 Never 10.3 17.8 10.7 15.9 17.6 10.0
 Occasionally 58.7 59.4 76.8 67.8 62.2 80.9
 Frequently 11.4 13.9 10.2 11.1 14.4 9.1
Parental discipline (spanking/slapping)a, b (%)       
 Not living with parents 19.6 8.9 2.3 5.3 5.9 0.1
 Never 62.1 68.5 44.3 72.6 74.4 50.2
 Occasionally 17.4 22.6 48.9 20.9 16.1 47.4
 Frequently 0.9 0.0 4.5 1.2 3.7 2.3
Communication with father figurea, b (%)       
 Low 42.9 32.7 34.8 43.7 30.7 37.3
 High 27.9 48.4 42.7 20.0 34.7 42.0
 No father figure 29.2 18.9 22.5 36.3 34.6 20.7
Communication with mother figurea, b (%)       
 Low 61.8 48.4 57.7 37.8 38.3 28.0
 High 29.5 34.2 39.2 57.7 56.1 70.5
 No mother figure 8.7 17.4 3.1 4.6 5.6 1.4
  1. Notes: Estimates are weighted; SD = Standard Error
  2. aSignificant difference at p < 0.05 across groups for males based on chi-square tests for categorical variables and ANOVA for continuous variables
  3. bSignificant difference at p < 0.05 across groups for females based on chi-square tests for categorical variables and ANOVA for continuous variables
  4. cIncreasing values indicate higher levels of negative peer influence, delinquency, or religiosity
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Reproductive Health

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