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. Author manuscript; available in PMC: 2012 Jan 12.
Published in final edited form as: AIDS Behav. 2012 Jan;16(1):151–158. doi: 10.1007/s10461-010-9866-x

Table 3.

Random effect parameters with 95% confidence intervals for models of changes in sexual risk measures from visit 40 to visit 48 in the MACS using trajectory groups (n = 2,389)

No use N = 1,604 Increasing N = 108 Decreasing 134 Consistently high N = 189
NUAH
 ntercept 0.807 [0.563, 1.051] 0.782 [−0.179, 1.743] 0.704 [−0.163, 1.571] 2.633*** [1.890, 3.375]
 Slope −0.033 [−0.076, 0.011] 0.056 [−0.112, 0.224] −0.006 [−0.160, 0.148] −0.062 [−0.196, 0.072]
NUARI
 ntercept 0.615 [0.419, 0.812] 0.270 [−0.504, 1.043] 2.012*** [1.317, 2.707] 1.895*** [1.297, 2.490]
 Slope −0.019 [−0.045, 0.008] 0.130* [0.028, 0.233] −0.236*** [−0.329, −0.142] −0.023 [−0.104, 0.059]

Note: The significance values in these columns reflect tests between each group and the no use comparison group

*

P < 0.05

**

P< 0.01

***

P < 0.001