TABLE 1.
Baseline characteristics of the study population in the Wellness Living Laboratory (WELL)‐China cohort and Lanxi cohort, respectively. a
| WELL‐China cohort | Lanxi cohort | |||||
|---|---|---|---|---|---|---|
| Characteristics | NWL | NWO | p | NWL | NWO | p |
| N | 2885 | 735 | 1357 | 511 | ||
| Age (year) | 55.81 (12.75) | 56.43 (12.89) | 0.232 | 56.29 (11.61) | 56.20 (11.65) | 0.881 |
| Gender, % | 0.789 | 0.066 | ||||
| Male | 1034 (35.8) | 268 (36.3) | 496 (37.1) | 164 (32.5) | ||
| Female | 1851 (64.2) | 467 (63.7) | 849 (62.9) | 338 (67.5) | ||
| Marriage status, % | 0.057 | 0.064 | ||||
| Single | 118 (4.1) | 37 (5.0) | 29 (2.2) | 8 (1.6) | ||
| Married | 2483 (86.1) | 630 (85.7) | 1242 (92.3) | 458 (91.2) | ||
| Others | 284 (9.8) | 68 (9.3) | 74 (5.5) | 36 (7.2) | ||
| Smoking status, % | 0.009 | 0.019 | ||||
| Current smoker | 509 (17.6) | 97 (13.2) | 202 (15.0) | 57 (11.3) | ||
| Ever smoker | 192 (6.7) | 51 (6.9) | 72 (5.3) | 34 (6.8) | ||
| Never smoker | 2184 (75.7) | 587 (79.9) | 1071 (79.6) | 411 (81.9) | ||
| Drinking status, % b | 0.007 | < 0.001 | ||||
| Nondrinker | 1649 (57.2) | 461 (62.7) | 776 (57.7) | 342 (68.1) | ||
| Occasional drinker | 691 (23.9) | 168 (22.8) | 315 (23.4) | 100 (19.9) | ||
| Frequent drinker | 545 (18.9) | 106 (14.4) | 254 (18.9) | 60 (12.0) | ||
| Physical activity, % | 0.018 | < 0.001 | ||||
| Inactive | 1153 (40.0) | 324 (44.1) | 799 (59.4) | 347 (69.1) | ||
| Insufficiently active | 645 (22.3) | 169 (23.0) | 126 (9.4) | 49 (9.6) | ||
| Active | 1087 (37.7) | 242 (32.9) | 420 (31.2) | 106 (21.3) | ||
| Education level, % | 0.011 | < 0.001 | ||||
| Elementary school or less | 592 (20.5) | 119 (16.2) | 570 (42.4) | 160 (31.9) | ||
| Middle school | 964 (33.4) | 246 (33.5) | 441 (32.8) | 175 (34.9) | ||
| High school | 691 (23.9) | 198 (26.9) | 199 (14.8) | 102 (20.3) | ||
| College or above | 638 (22.1) | 172 (23.4) | 135 (10.0) | 65 (12.9) | ||
| Annual income level, CNY | 0.040 | < 0.001 | ||||
| < 50 000￥ | 1924 (66.7) | 464 (63.1) | 630 (46.8) | 172 (34.3) | ||
| 50 000–11 000￥ | 809 (28.0) | 233 (31.7) | 373 (27.7) | 167 (33.3) | ||
| > 11 000￥ | 152 (5.3) | 38 (5.2) | 341 (25.4) | 163 (32.3) | ||
| Total energy intake (kcal/day) | 1726.04 (682.73) | 1756.73 (720.81) | 0.298 | 2150.18 (735.77) | 2201.43 (741.58) | 0.186 |
| Region, % | < 0.001 | |||||
| Rural | — | — | — | 636 (47.4) | 130 (25.8) | |
| Urban | — | — | — | 709 (52.6) | 372 (74.2) | |
a
Data are presented as mean with standard deviation (SD) for continuous variables and n (%) for categorical variables.
b
Drinking status: occasional drinker/frequent drinker was defined as whether drinks more than 12 times per year.