Table 4.

Physical aggression as a function of self and partner marijuana use in the previous 2 hours

	Male-reported physical aggression		Female-reported physical aggression
Variable	Estimate (SD)	[95% CI]	Estimate (SD)	[95% CI]
Self marijuana use	-1.473 (1.069)	[-4.119, 0.017]	0.044 (0.205)	[-0.417, 0.384]
Partner marijuana use	0.470 (0.243)	[-0.010, 0.922]	0.294 (0.162)	[-0.047, 0.596]
Evening vs. earlier timea	0.263 (0.157)	[-0.014, 0.615]	0.406 (0.107)***	[0.183, 0.624]
Day of the studyb	-0.023 (0.010)***	[-0.046, -0.007]	0.003 (0.007)	[-0.010, 0.016]
Self total marijuana use days	-0.021 (0.008)*	[-0.038, -0.005]	0.004 (0.005)	[-0.007, 0.014]
Partner total marijuana use days	0.004 (0.008)	[-0.012, 0.018]	-0.007 (0.005)	[-0.017, 0.004]
Self total conflict days	0.085 (0.038)*	[0.012, 0.164]	0.047 (0.019)*	[0.010, 0.085]
Partner total conflict days	0.027 (0.034)	[-0.036, 0.096]	0.028 (0.025)	[-0.023, 0.076]

	Male-reported physical victimization		Female-reported physical victimization
Variable	Estimate (SD)	[95% CI]	Estimate (SD)	[95% CI]
Self marijuana use	0.009 (0.269)	[-0.644, 0.435]	0.229 (0.150)	[-0.088, 0.509]
Partner marijuana use	0.069 (0.240)	[-0.398, 0.527]	-0.116 (0.182)	[-0.462, 0.256]
Evening vs. earlier timea	0.265 (0.119)*	[0.050, 0.519]	0.232 (0.088)*	[0.062, 0.410]
Day of the studyb	-0.008 (0.007)	[-0.020, 0.005]	-0.012 (0.006)*	[-0.024, -0.001]
Self total marijuana use days	-0.008 (0.009)	[-0.025, 0.009]	-0.001 (0.005)	[-0.011, 0.008]
Partner total marijuana use days	-0.001 (0.008)	[-0.019, 0.011]	-0.004 (0.004)	[-0.011, 0.006]
Self total conflict days	0.099 (0.035)***	[0.038, 0.174]	0.065 (0.017)***	[0.034, 0.101]
Partner total conflict days	0.003 (0.036)	[-0.066, 0.078]	0.040 (0.020)	[-0.001, 0.080]

Notes: CI = confidence interval.

^aEvening vs. earlier time (0 = Hour 1 to Hour 16; 1 = Hour 17 to Hour 24);

^bday of the study (0–30).

^*p < .05;

^***p < .001.