Caregivingi * Romantic Qualityi )+ b2i where ß1 is the intercept (the mean anxious-depressed symptom score at age 23), ß2 is the slope for the linear time term, ß3 is the effect of gender on the intercept, ß4 is the effect of early caregiving on the intercept, ß5 is the effect of romantic quality on the intercept, ß6 is the interaction of early caregiving and romantic quality on the intercept, ß7 is the effect of early caregiving on the slope, ß8 is the effect of romantic quality on the slope, ß9 is the interaction of early caregiving and romantic quality on the slope, b1i is the random intercept allowing for individual variation around the mean (ß1), and b2i is the random slope allowing for individual variation around the mean slope (ß2). ß1i and ß2i denote the participant-specific intercepts and slopes.
