Table 1.
Characteristics of study participants at pre and post-test: mean ± standard error of the mean (95% Confidence Interval)
| Characteristic | HIV+ (n=20) | HIV- (n=11) | ||
|---|---|---|---|---|
| Pre-test | Post-test | Pre-test | Post-test | |
| Age (yrs) | 46.9 ± 2.2 (42.2-51.5) |
41.6 ± 4.5 (31.5-51.8) |
||
| BMI (kg/m2) | 28.7 ± 1.4 (25.7-31.6) |
28.5 ± 1.4 (25.6-32.5) |
26.8 ± 0.9 (24.7-28.9) |
26.9 ± 1.0 (24.8-29.0) |
| BIA-Fat (%) | 42.5 ± 2.0 (38.3-46.7) |
42.9 ± 2.1 (38.5-47.3) |
41.5 ± 1.7 (37.8-45.3) |
41.5 ± 1.7 (37.7-45.3) |
| DEXA-LBM (kg) | 42.5 ± 2.1 (37.7-47.3) |
42.5 ± 2.1 (37.9-47.1) |
37.1 ± 1.5‡ (33.9-40.4) |
37.7 ± 1.4‡ (34.5-40.8) |
| Waist C (cm) | 98.5 ± 3.1* (92.1-104.9) |
98.1 ± 2.9** (92.0-104.1) |
86.4 ± 2.8* (80.2-92.5) |
85.3 ± 2.8** (80.0-91.6) |
| WHR | 0.93 ± 0.01* (0.90-0.95) |
0.92 ± 0.02** (0.89-0.96) |
0.86 ± 0.02* (0.80-0.91) |
0.84 ± 0.02** (0.79-0.90) |
| MVPA (min/week) | 19.9 ± 2.8 (14.0-25.7) |
21.7 ± 3.4 (14.5-28.9) |
17.1 ± 5.9 (3.8-30.3) |
20.0 ± 6.1 (6.1-33.9) |
| Sedentary (hr/day) | 7.9 ± 0.3 (7.3-8.4) |
8.2 ± 0.3 (7.5-8.8) |
8.4 ± 0.4 (7.4-9.3) |
8.4 ± 0.5 (7.7-9.6) |
| VO2peak (ml·kg−1·min−1) |
19.4 ± 0.78 (17.7-21.0) |
19.7 ± 0.6** (18.4-21.0) |
22.1 ± 1.4 (18.9-25.3) |
24.3 ± 1.5** (21.1-27.6) |
| Workload-peak (W) | 96.3 ± 5.5†
(84.7-107.8) |
108.8 ± 4.9† (98.5-119.0) |
102.3 ± 9.2‡ (81.8-122.8) |
115.9 ± 7.7‡ (98.7-133.2) |
| Time to peak (min) | 7.2 ± 0.4† (6.3-8.0) |
7.8 ± 0.4† (6.9-8.6) |
7.5 ± 0.6‡ (6.1-8.9) |
8.5 ± 0.6‡ (7.1-9.9) |
| HR-peak (bpm) | 149.6 ± 4.1* (141.1-158.1) |
151.3 ± 4.7 (141.4-161.2) |
163.4 ± 5.1* (152.0-174.7) |
163.4 ± 5.0 (152.1-174.6) |
| VEpeak (L/min) | 54.2 ± 3.4 (47.0-61.4) |
56.8 ± 3.9 (48.7-64.9) |
56.3 ± 4.4 (46.5-66.2) |
59.5 ± 4.6 (49.3-69.7) |
| VO2 at VT (mlˑkg−1ˑmin−1) |
14.9 ± 0.61* (13.6-16.2) |
15.5 ± 0.6 (14.4-16.7) |
16.6 ± 0.87* (14.6-18.5) |
17.8 ± 1.0 (15.7-19.9) |
| HR at VT (bpm) | 122.6 ± 3.0*† (116.4-128.8) |
130.1 ± 3.5† (125.1-139.7) |
132.8 ± 3.8* (124.1-141.5) |
138.1 ± 4.5 (128.1-148.1) |
BMI= body mass index, BIA = bioelectrical impedance, DEXA = dual energy x ray absorptiometry, LBM = lean body mass, Waist C = waist circumference, WHR = waist to hip ratio, MVPA = moderate to vigorous physical activity. VO2 = oxygen consumption, HR = heart rate, VE = ventilation, VT = ventilatory threshold.
Between group values with same symbol (* or **) are significantly different (P≤0.05).
Within group values with same symbol († or ‡) are significantly different.