Table 1. Descriptive Data, Mean ± SD [range], on Entire Sample and Weight Loss Groups, Mean ± SD.
| Variable | Entire Sample (N = 52) | Low Weight Loss Group (N = 26) | High Weight Loss Group (N = 26) | P-Value |
|---|---|---|---|---|
| Sex | ||||
| Women (n) | 39 | 19 | 20 | 0.75 |
| Men (n) | 13 | 7 | 6 | |
| Age | 67.62 ± 0.73 [60.70, 79.80] |
66.73 ± 3.88 | 68.43 ± 6.08 | 0.23 |
| BMI (Kg/m2) | 34.11 ± 0.52 [28.14, 41.98] |
34.48 ± 3.63 | 33.88 ± 3.72 | 0.56 |
| Baseline Weight (Kg) | 93.28 ± 12.80 [71.76, 129.09] |
95.56 ±14.58 | 91.00 ± 10.53 | 0.20 |
| Weight Loss (Kg) | 7.69 ± 6.66 [-2.81, 23.41] |
2.64 ± 3.42 | 12.74 ± 5.07 | <0.001 |
| Weight Loss (%) | 8.41 ± 7.14 [-2.84, 26.44] |
2.87 ± 3.62 | 13.96± 5.18 | <0.001 |
| SBP (mm Hg)* | 130.21 ± 2.12 [101, 162] |
130.46 ± 15.30 | 131.29 ± 15.96 | 0.84 |
| DBP (mm Hg)* | 76.55 ± 0.98 [60, 90] |
77.11 ± 8.05 | 76.75 ± 5.72 | 0.85 |
| MOCA* | 26.24 ± 0.31 [19, 30] |
26.11 ± 2.28 | 25.92 ± 2.56 | 0.78 |
| Trail making test B | 90.30 ± 36.70 [41.50, 252.97] |
92.51 ± 42.90 | 88.01 ± 29.63 | 0.45 |
| SDMT | -0.33 ±0.90 [-2.50, 2.50] |
-0.28 ± 1.032 | -0.39 ± 0.78 | 0.43 |
| SF-12 PCS* | 41.68 ± 1.49 [13.10, 66.27] |
40.95 ± 11.16 | 42.40 ± 10.07 | 0.63 |
| SF-12 MCS* | 54.28 ± 1.24 [32.55, 69.17] |
50.89 ± 17.02 | 51.52 ± 13.50 | 0.88 |
| 400 m Walk Time (sec) | 334.78 ± 8.97 [ 241, 643] |
348.74 ± 75.39 | 318.77 ± 41.90 | 0.80 |
| WEL Total Score* | 101.80 ± 6.12 [17, 180] |
108.96 ± 35.51 | 91.54 ± 49.01 | 0.14 |
| Total GM volume | 0.62 ± 0.06 [0.50, 0.75] |
0.62 ± 0.06 | 0.62 ± 0.06 | 0.97 |
| Total WM volume | 0.39 ± 0.07 [0.28, 0.79] |
0.39 ± 0.09 | 0.36 ± 0.04 | 0.96 |
*
Notes: SBP = systolic blood pressure; DBP = diastolic blood pressure; MOCA = Montreal Cognitive Assessment Test; SDMT = symbol digit modalities test; SF-12 PCS = SF-12 physical health composite score; MCS = SF-12 mental health composite score; WEL total = total score for the weight efficacy lifestyle questionnaire.