Table 1.
Description of the study sample stratified by age and BMI categories at baseline.
| Age <65 | Age 65+ | |||||
|---|---|---|---|---|---|---|
| BMI<25 | BMI 25–29.9 | BMI 30+ | BMI<25 | BMI 25–29.9 | BMI 30+ | |
| N=145 | N=304 | N=214 | N=161 | N=218 | N=137 | |
| Male sex, N(%) | 65(45) | 145 (48) | 57(27) | 75(47) | 86(39) | 39(28) |
| Medicaid/uninsured, N(%) | 76(52) | 168(55) | 120(56) | 50(31) | 80(37) | 60(44) |
| Race/ethnicity, N(%) | ||||||
| NHB | 28(19) | 36(12) | 33(15) | 31(19) | 41(19) | 42(31) |
| NHW | 16(11) | 25(8) | 20(9) | 59(37) | 48(22) | 15(11) |
| Hispanic | 101(70) | 243(80) | 161(75) | 71(44) | 129(49) | 80(58) |
| Depressed, N(%) | 24 (16) | 37 (12) | 39 (18) | 19 (12) | 25 (11) | 19 (14) |
| Smoking, N(%) | ||||||
| Never | 57(39) | 147(48) | 108(50) | 76(47) | 94(43) | 77(56) |
| Former | 48(33) | 102(34) | 74(35) | 64(40) | 98(45) | 48(35) |
| Current | 40(28) | 55(18) | 32(15) | 21(13) | 26(12) | 12(9) |
| Moderate alcohol use, N(%) | 67(46) | 151(50) | 71(33) | 80(50) | 87(40) | 41(30) |
| Moderate-heavy physical activity, N(%) | 17(12) | 36(12) | 20(9) | 20(13) | 19(9) | 7(5) |
| Hypertension, N(%) | 69(48) | 191(63) | 159(74) | 98(61) | 162(74) | 124(91) |
| Diabetes, N(%) | 16(11) | 49(16) | 65(30) | 14(9) | 45(21) | 37(27) |
| Hypercholesterolemia, N(%) | 86(59) | 190(63) | 146(68) | 112(70) | 143(66) | 93 (68) |
| Subclinical infarcts, N(%) | 5 (3) | 18 (6) | 15 (7) | 15 (9) | 30 (13) | 16 (12) |
| Age, Mean (SD) | 64(6) | 65(5) | 64(6) | 79(6) | 78(6) | 77(5) |
| Years of education, Mean (SD) | 11(5) | 9(5) | 10(5) | 11(5) | 10(5) | 9(5) |
| WMHV (% total cranial volume), Mean (SD) | 0.49 (0.62) | 0.45 (0.59) | 0.42 (0.46) | 0.89 (1.00) | 0.91 (0.93) | 0.93 (1.05) |
| Cerebral volume (% total cranial volume), Mean (SD) | 75 (4) | 74 (3) | 74 (4) | 70 (4) | 70 (5) | 71 (3) |
| Waist:Hip Ratio, Mean (SD) | 0.86 (0.08) | 0.90 (0.08) | 0.90 (0.08) | 0.90 (0.10) | 0.91 (0.08) | 0.92 (0.09) |