Table 1.
Comparison of baseline characteristics between people with and without Zung data at baseline.
| n (Available /Missing) | Zung Data Available | Zung Data Missing | p-Value 1 | |
|---|---|---|---|---|
| Demographic characteristics | ||||
| Age (years) | 1125/134 | 69.2 (4.7) | 69.9 (4.9) | 0.13 |
| Sex: number of women | 1125/134 | 502 (45%) | 85 (63%) | <0.001 |
| Education (years) | 1124/133 | 10.0 (3.5) | 9.4 (3.1) | 0.14 |
| Married/cohabiting | 1125/133 | 848 (75%) | 86 (65%) | 0.008 |
| Vascular factors | ||||
| Systolic blood pressure (mmHg) | 1117/133 | 140 (16.4) | 141 (14.5) | 0.51 |
| Diastolic blood pressure (mmHg) | 1117/133 | 80 (9.5) | 81 (8.9) | 0.52 |
| Serum total cholesterol (mmol/L) | 1120/134 | 5.1 (1.0) | 5.2 (1.0) | 0.29 |
| Fasting plasma glucose (mmol/L) | 1122/134 | 6.1 (0.9) | 6.0 (1.0) | 0.23 |
| 2 h oral glucose tolerance test (mmol/L) | 972/112 | 7.0 (2.2) | 7.2 (2.3) | 0.39 |
| Body-Mass Index (kg/m2) | 1115/133 | 28.1 (4.7) | 29.1 (4.5) | 0.010 |
| Waist circumference (cm) | 1116/133 | 98.2 (12.5) | 99.1 (12.1) | 0.40 |
| Lifestyle factors | ||||
| Physically active ≥2/week | 1117/129 | 793 (71%) | 89 (69%) | 0.64 |
| Current smokers | 1123/131 | 104 (9%) | 10 (8%) | 0.54 |
| Alcohol drinking ≥1/week | 1120/131 | 515 (46%) | 41 (31%) | 0.001 |
| Fish intake ≥2/week | 1122/130 | 576 (51%) | 79 (61%) | 0.042 |
| Daily vegetable intake | 1124/132 | 698 (62%) | 77 (58%) | 0.40 |
| Self-reported medical conditions | ||||
| Hypertension | 1118/133 | 733 (66%) | 98 (74%) | 0.061 |
| Hypercholesterolemia | 1115/134 | 749 (67%) | 90 (67%) | 1.00 |
| Diabetes | 1119/134 | 147 (13%) | 21 (16%) | 0.42 |
| History of myocardial infarction | 1119/134 | 60 (5%) | 4 (3%) | 0.24 |
| History of stroke | 1116/134 | 59 (5%) | 9 (7%) | 0.49 |
| Antidepressant use | 1125/134 | 62 (6%) | 12 (9%) | 0.11 |
| Cognition | ||||
| Global cognition (mNTB) | 1124/134 | 0.003 (0.57) | −0.08 (0.60) | 0.099 |
| Executive functioning (mNTB) | 1123/134 | 0.002 (0.68) | −0.15 (0.66) | 0.017 |
| Memory (mNTB) | 1124/134 | 0.0005 (0.67) | −0.02 (0.71) | 0.52 |
| Processing speed (mNTB) | 1124/134 | 0.01 (0.81) | −0.11 (0.89) | 0.17 |
| Mini Mental State Examination | 1122/134 | 26.8 (2.0) | 26.6 (2.0) | 0.48 |
Note: Data are presented as mean (SD) for continuous variables and as n (%) for categorical variables. mNTB, modified Neuropsychological Test Battery. 1 p-values < 0.05 are in bold.