Skip to main content
. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: J Adolesc Health. 2013 Mar 23;53(1):91–7.e1-2. doi: 10.1016/j.jadohealth.2013.01.005

Table 3.

Summary of coefficients and standard errors for three-level hierarchal linear regression models with age interactions and gender interactions (N = 14,797)

Intercept
 Slope
 Slope squared
Coef SE ERR Coef SE ERR Coef SE ERR
Model 2: Age interactions
 Intercept −.73** .05 .48 .48** .01 1.61 −.020** .00 .980
 Main effect terms
  Age Wave 1 .28** .03 1.32 −.06** .01 .95 .003** .00 1.003
  Parental approval .42** .04 1.52 −.05** .01 .95 .002** .00 1.002
  Limited parental warnings −.20** .05 .82 .03* .01 1.03 −.002* .00 .999
  Limited social repercussions .20** .04 1.22 −.03** .01 .96 .002** .00 1.002
  Peer approval .27** .05 1.30 −.04** .01 .96 .002* .00 1.002
  Schoolmate % sex .81* .32 2.25 −.11 .08 .90 .004 .00 .997
  Schoolmate % pregnant −.02 .11 .98 .00 .03 1.00 .000 .00 1.000
 Interaction terms
  Age* parental approval −.06** .02 .94 .01* .01 1.01 −.000 .00 .999
  Age* limited parental warnings .03 .02 1.03 −.01 .01 .99 .001 .00 1.000
  Age* limited social repercussions −.03 .02 .97 .01 .01 1.01 −.001 .00 1.000
  Age* peer approval −.02 .03 .98 .01 .01 1.01 −.000 .00 1.000
  Age* schoolmate % sex −.40** .12 .67 .07* .03 1.08 −.003 .00 .997
  Age* school mate % pregnant .02 .06 .99 −.02 .02 .98 .001 .00 1.001
Model 3: Gender interactions
 Intercept −.75** .05 .45 .48** .01 1.62 −.020** .01 .981
 Main effect terms
  Male .03 .08 1.04 −.02 .02 .98 .001* .00 1.002
  Parental approval .42** .03 1.52 −.05** .01 .95 .000** .00 1.002
  Limited parental warnings −.18** .04 .84 .02* .01 1.02 −.001 .00 .999
  Limited social repercussions .16** .03 1.17 .02** .01 .97 .001** .00 1.001
  Peer approval .23** .04 1.26 −.03** .01 .97 .002* .00 1.002
  Schoolmate % sex .81** .29 2.29 −.08 .08 .92 .002 .00 1.002
  Schoolmate % pregnant −.03 .09 .96 −.01 .02 .99 .001 .00 1.001
 Interaction terms
  Male* parental approval −.15* .07 .86 .04* .02 1.04 −.002* .00 .998
  Male* limited parental warnings −.11 .07 .90 .02 .02 1.02 .001 .00 .999
  Male* limited social repercussions .14* .05 1.14 .04** .01 .96 .002** .00 1.002
  Male* peer approval .02 .08 1.02 −.00 .02 1.00 .000 .00 1.000
  Male* schoolmate % sex −.45 .39 .66 .17 .10 1.19 −.010 .01 .990
  Male* schoolmate % pregnant .10 .18 1.10 −.08 .05 .93 .005 .00 1.005

Note: All covariates included in Table 2 are also included in interactive models. Coef = Coefficient; SE = Standard Error; ERR = Event Rate Ratio.

*

p < 05.

**

p < .01.