Table 1 Study Participant Characteristics Before and After Propensity Score Matching. Numbers indicate mean value unless otherwise noted.
From: Assessing the effect of HAART on change in quality of life among HIV-infected women
Before Matching | After Matching | |||||
|---|---|---|---|---|---|---|
Covariates | HAART Naive (N = 555) | HAART Users (N = 1271) | P-Value | HAART Naive (N = 458) | HAART Users (N = 458) | P-Value |
Age at baseline | 38.6 | 38.4 | 0.42 | 38.6 | 38.4 | 0.75 |
Education % | <.01 | 0.30 | ||||
Less than high school | 39.8 | 35.5 | 40.8 | 39.1 | ||
Completed high school | 33.2 | 31.2 | 31.7 | 29.5 | ||
College and above | 27.0 | 33.4 | 27.5 | 31.4 | ||
Race % | 0.02 | 0.35 | ||||
White non-Hispanic | 15.1 | 18.5 | 16.4 | 17.5 | ||
Black non-Hispanic | 62.5 | 53.8 | 60.7 | 56.6 | ||
Hispanic | 3.9 | 3.5 | 4.1 | 3.1 | ||
Others | 18.5 | 24.2 | 18.8 | 22.9 | ||
Annual gross income (>$12,000) % | 35.0 | 38.9 | 0.02 | 36.9 | 37.6 | 0.84 |
Employment % | 26.6 | 25.3 | 0.37 | 21.6 | 25.5 | 0.16 |
Insurance % | 40.2 | 23.4 | <.01 | 26.6 | 30.8 | 0.17 |
CD4+ cell count | 533.8 | 301.9 | <.01 | 339.4 | 344.9 | 0.74 |
Viral Load (log10) | 3.7 | 4.0 | <.01 | 4.2 | 4.1 | 0.17 |
AIDS diagnosis % | 36.4 | 44.3 | <.01 | 43.2 | 41.9 | 0.69 |
Depression % | 50.0 | 47.4 | 0.11 | 49.8 | 49.8 | 1.00 |
Number of symptoms | 1.3 | 1.5 | 0.03 | 1.5 | 1.5 | 0.84 |
Number of outpatient visit | 3.8 | 5.9 | <.01 | 5.1 | 4.9 | 0.71 |
Number of hospitalizations | 0.3 | 0.3 | 0.16 | 0.4 | 0.3 | 0.43 |
Number of medications | 2.8 | 3.8 | <.01 | 3.7 | 3.4 | 0.13 |
Quality of life scores | ||||||
Physical functioning | 66.2 | 64.1 | 0.03 | 63.1 | 65.5 | 0.23 |
Role functioning | 74.0 | 73.0 | 0.28 | 74.0 | 74.1 | 0.98 |
Energy/Fatigue | 54.1 | 53.0 | 0.20 | 51.6 | 53.1 | 0.39 |
Social functioning | 72.0 | 72.0 | 0.92 | 73.0 | 72.2 | 0.65 |
Cognitive functioning | 76.7 | 78.1 | 0.09 | 78.6 | 77.1 | 0.33 |
Pain | 69.9 | 69.5 | 0.64 | 70.2 | 69.1 | 0.55 |
Emotion well-being | 59.8 | 59.9 | 0.95 | 59.1 | 59.0 | 0.94 |
Perceived health index | 53.7 | 51.6 | 0.01 | 50.8 | 52.2 | 0.40 |
Health rating | 66.4 | 68.1 | 0.02 | 66.9 | 67.1 | 0.89 |
Summary score | 63.2 | 62.3 | 0.19 | 61.9 | 62.5 | 0.65 |