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. Author manuscript; available in PMC: 2020 Mar 31.
Published in final edited form as: Subst Use Misuse. 2018 May 8;53(13):2240–2249. doi: 10.1080/10826084.2018.1467455

TABLE 2.

Growth models for alcohol use for analysis sample (n=620)

HED frequency Typical drinks per week
Unconditional Conditional Unconditional Conditional
Fixed effects AOR (95% CI) AOR (95% CI) ACR (95% CI) ACR (95% CI)

Intercept (level at age 21) .06 (0.04,0.07) 0.03 (0.02,0.04) 2.81 (2.46,3.21) 1.76 (1.27,2.46)
 Female 0.68 (0.47,0.99) 0.63 (0.51,0.79)
 Relationship pattern group
  Single-not-dating (reference) -- --
  Stable-in-a-relationship 1.37 (0.79,2.37) 1.33 (0.91,1.94)
  Single-dating 3.03 (1.49,6.19) 1.79 (1.15,2.78)
  Ended-relationship 2.80 (1.46,5.37) 1.85 (1.20,2.86)
  Started-relationship 2.02 (1.03,3.96) 1.47 (0.94,2.29)
  Ended-and-started-relationship 3.82 (2.06,7.06) 2.57 (1.75,3.77)
 Heterosexual 1.42 (0.92,2.20) 1.19 (0.91,1.55)
 White 1.73 (1.22,2.46) 1.30 (1.04,1.62)
 Hispanic/Latino 1.47 (0.81,2.67) 1.16 (0.79,1.71)
 Lived with parents 0.93 (0.65,1.34) 0.87 (0.69,1.09)
 School status
  Not in school -- --
  2-year college 0.59 (0.34,1.01) 0.79 (0.56,1.14)
  4-year college + 1.86 (1.18,2.94) 1.23 (0.94,1.61)
 Employment status
  Not working -- --
  Working part-time 1.87 (0.82,1.73) 1.10 (0.88,1.38)
  Working full-time 1.24 (0.64,1.98) 1.27 (0.92,1.74)
Age (rate of change at age 21) 1.06 (0.95,1.19) 1.08 (0.97,1.21) 1.18 (1.09,1.28) 1.17 (1.08,1.27)
Age squared (acceleration in rate of change) 0.94 (0.89,0.99) 0.95 (0.90,1.00) 0.92 (0.89,0.94) 0.92 (0.89,0.95)
Random effects var. p= var. p= var. p= var. p=

Intercept 4.86 <.001 4.30 <.001 1.85 <.001 1.64 <.001
Age 0.96 .004 0.91 0.003 0.55 <.001 0.52 <.001
Age squared 0.11 .007 0.12 0.005 0.04 <.001 0.04 <.001
Level 1 residual --- --- --- ---- 2.02 2.03

Fixed effects estimates significant at p<.05 in bold. HED=heavy episodic drinking, AOR=adjusted odds ratio, ACR=count ratio, var.=variance component.