Table 1.
Participant characteristics by cognitive function status, NHANES 2011-2014 (n=2,466)
| Cognitive Impairment | |||
|---|---|---|---|
| Characters | Yes (n = 583) |
No (n = 1,883) |
p-value |
| Age (years) ǂ | 73.8 (1.08)ǂ | 66.8 (0.38)ǂ | <0.01 |
| Serum 25(OH)D (nmol/l) ǂ | 72.6 (2.41) | 80.0 (1.18)ǂ | <0.01 |
| Daily nutrient intake ǂ | |||
| Total magnesium (mg) | 239.5 (6.20)ǂ | 310.7 (5.32)ǂ | <0.01 |
| Total calcium (mg) | 869.3 (30.70)ǂ | 1101.5 (24.92)ǂ | <0.01 |
| Total energy intake (kcal) | 1478.7 (34.6)ǂ | 1849.3 (22.1)ǂ | <0.01 |
| BMI (kg/m2) ǂ | 27.7 (0.44)ǂ | 30.0 (0.23)ǂ | 0.96 |
| Dietary supplement use, n (%)* | <0.01 | ||
| Yes | 105 (18.0) | 483 (25.7) | |
| No | 478 (82.0) | 1400 (74.3) | |
| Race/ethnicity, n (%)* | <0.01 | ||
| Non-Hispanic White | 179 (30.7) | 1073 (57.0) | |
| Non-Hispanic Black | 193 (33.1) | 351 (18.6) | |
| Hispanic | 184 (31.6) | 268 (14.2) | |
| Others 1 | 27 (4.6) | 191 (10.2) | |
| Sex, n (%)* | <0.01 | ||
| Male | 327 (56.1) | 880 (46.7) | |
| Female | 256 (43.9) | 1003 (53.3) | |
| Education, n (%)* | <0.01 | ||
| Less than high school | 330 (56.6) | 258 (13.7) | |
| High school | 132 (22.6) | 444 (23.6) | |
| Some college | 83 (14.2) | 623 (33.1) | |
| College graduate | 38 (6.5) | 558 (29.6) | |
| Physical activity level, n (%)* | <0.01 | ||
| No and low | 419 (71.9) | 992 (52.7) | |
| Moderate and high | 164 (28.1) | 891 (47.3) | |
| Season of Exam, n (%)* | 0.14 | ||
| November to April | 279 (47.9) | 836 (44.4) | |
| May to October | 304 (52.1) | 1047 (55.6) | |
| Smoking Status, n (%)* | <0.01 | ||
| Never | 273 (46.8) | 939 (49.9) | |
| Former | 213 (36.5) | 728 (38.7) | |
| Current | 97 (16.6) | 216 (11.5) | |
| Alcohol Use, n (%)* | <0.01 | ||
| Never | 114 (19.6) | 249 (13.2) | |
| Former | 232 (39.8) | 447 (23.7) | |
| Current | 237 (40.7) | 1187 (63.1) | |
ǂ
Values shown are median and (standard error)
*
Unweighted frequency counts and weighted percentages shown.
1
Others: included non-Hispanic Asian and Other Race.