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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: Dev Psychol. 2016 Jun 2;52(7):1115–1127. doi: 10.1037/dev0000136

Table 5.

Ecodevelopmental Trajectories of Parent Support and Links to Sexual Risk Behaviors and STI at 36 Months Post-Baselinea

Unprotected Sex Alcohol Use Before Last Sex
Low Stable Low Increasing High Decreasing High Increasing Low Stable Low Increasing High Decreasing High Increasing
Parameter
α 0 2.20 (.26)*** 2.31 (.37)*** 3.80 (.24)*** 4.41 (.21)*** 2.20 (.29)*** 2.37 (.35)*** 3.85 (.25)*** 4.41 (.25)***
α 1 −.02 (.11) .68 (.15)*** −.14 (.12) .14 (.08) −.01 (.11) .66 (.13)*** −.17 (.10)* .15 (.08)+
ζ 0 .00 .00 .00 .00 .00 .00 .00 .00
ζ 1 .00 .00 .00 .00 .00 .00 .00 .00
τ| −1.66 −1.31 −.88 −.14 .27 .52 .11 .85
Shared Coefficients
γ0 | Sex .08 (.09) .05 (.10)
γ0 | SES .00 (.00) .00 (.00)
γ0 | Black .04 (.16) .08 (.17)
γ0 | Mixed −.26 (.22) −.20 (.24)
γ1 | Sex .03 (.03) .02 (.03)
γ1 | SES .00 (.00) .00 (.00)
γ1 | Black −.15 (.06)** −.16 (.06)**
γ1 | Mixed −.17 (.10)+ −.18 (.10)
Comparison Odds Ratio Odds Ratio
L vs LI 1.42 1.29*
L vs HD 2.18+ 1.17*
L vs H 5.00* 1.79*
LI vs HD 1.54* .66*
LI vs H 3.52* 1.39**
HD vs H 2.29** 2.10**
Number of subjects (% ) 34 (6.6%) 60 (11.7%) 123 (23.9%) 296 (57.7%) 33 (6.4%) 66 (12.9%) 120 (23.3%) 294 (57.3%)
Entropy .86 .86
Fit Indicies
Loglikelihood −2663.14 −2666.04
Bayesian (BIC) 5569.65 5575.45
Drug Use Before Last Sex Sexually Transmitted Infection
Low Stable Low Increasing High Decreasing High Increasing Low Stable Low Increasing High Decreasing High Increasing
Parameter
α 0 2.18 (.33)*** 2.36 (.37)*** 3.84 (.28)*** 4.40 (.27)*** 2.12 (.30)*** 2.22 (.42)*** 3.71 (.30)*** 4.34 (.24)***
α 1 −.01 (.11) .66 (.13)*** −.16 (.11) .14 (.09) −.02 (.11) .69 (.16)** −.14 (.13)** .12 (.09)
ζ 0 .00 .00 .00 .00 .00 .00 .00 .00
ζ 1 .00 .00 .00 .00 .00 .00 .00 .00
τ| .16 1.24 .42 1.18 1.8o 2.11 2.73 2.98
Shared Coefficients
γ0 | Sex .05 (.12) .05 (.10)
γ0 | SES .00 (.00) .00 (.00)
γ0 | Black .08 (.23)* .12 (.20)
γ0 | Mixed −.20 (.29) −.15 (.27)
γ1 | Sex .02 (.04) .01 (.04)
γ1 | SES .00 (.00) .00 (.00)
γ1 | Black −.15 (.07)* −.13 (.07)+
γ1 | Mixed −.17 (.12) −.15 (.11)
Comparison Odds Ratio Odds Ratio
L vs LI 2.96+ 1.36
L vs HD 1.31* 2.54
L vs H 2.79* 3.24+
LI vs HD .44* 1.87
LI vs H .94* 2.38
HD vs H 2.14** 1.27+
Number of subjects (% ) 33 (6.4%) 65 (12.7%) 117 (22.8%) 298 (58.1%) 59(7.9%) 77(10.3%) 173(23.1%) 441(58.8%)
Entropy .85 .85
Fit Indicies
Loglikelihood −2636.80 −2455.41
Bayesian (BIC) 5516.97 5154.20

Note. Standard errors in parentheses.

*

p < .05

**

p < .01

***

p < .001.

+

p < .10.

a

Only participants who reported at 36 months post baseline assessment having had sexual intercourse in the 12 months prior to the survey were included in the analyses.