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Table 2 Lifestyle risk factors and socio-demographic characteristics for the three clusters of subjects

From: Socio-demographic association of multiple modifiable lifestyle risk factors and their clustering in a representative urban population of adults: a cross-sectional study in Hangzhou, China

  Cluster 1 (n = 489/25.7%)
Unhealthy/high-risk profile
Cluster 2 (n = 592/31.1%)
Moderately healthy/moderate-risk profile
Cluster 3 (n = 820/43.1%)
Healthy/low-risk profile
p-value
A. Lifestyle risk factors
Current (daily) smoking, n (%)
   Yes 372 (76.1) 0 (0.0) 0 (0.0) <0.001
Categorical PA levels, n (%)
   Low 184 (37.6) 379 (64.0) 19 (2.3) <0.001
   Moderate 222 (45.4) 0 (0.0) 770 (93.9)  
   High 83 (17.0) 213 (36.0) 31 (3.8)  
Mean number of days of vegetable consumption in a typical week, median days (P25, P75)*
  7 (3, 7) 7 (7, 7) 7 (7, 7) <0.001
Consuming at least three servings of vegetables on the days eating vegetables, n (%)
   Yes 157 (32.1) 185 (31.3) 368 (44.9) <0.001
Mean number of days of fruit consumption in a typical week, median days (P25, P75)*
  3 (1, 7) 7 (5, 7) 7 (5, 7) <0.001
Consuming at least two servings of fruit on the days eating fruit, n (%)
   Yes 211 (43.1) 314 (53.0) 506 (61.7) <0.001
Times purchasing meals out in the previous week, median times (P25, P75)*
  8 (2, 13) 7 (1, 12) 5 (1, 10) <0.001
B. Socio-demographics
Age, n (%)
   18-29 years 69 (14.1) 112 (18.9) 135 (16.5) <0.001
   30-39 years 104 (21.3) 178 (30.1) 193 (23.5)  
   40-49 years 174 (35.6) 140 (23.6) 179 (21.8)  
   50-64 years 142 (29.0) 162 (27.4) 313 (38.2)  
Sex, n (%)
   Men 414 (84.7) 220 (37.2) 282 (34.4) <0.001
   Women 75 (15.3) 372 (62.8) 538 (65.6)  
Education, n (%)
   Junior high school or below 142 (29.2) 126 (21.5) 199 (24.5) 0.046
   Senior high school 112 (23.0) 133 (22.7) 194 (23.9)  
   College/university or post-graduate degree 233 (47.8) 326 (55.7) 420 (51.7)  
Marital status, n (%)
   Single 76 (15.6) 93 (15.9) 117 (14.3) 0.833
   Married, consensual union 387 (79.6) 463 (79.0) 666 (81.4)  
   Widowed, divorced, separated 23 (4.7) 30 (5.1) 35 (4.3)  
Type of work, n (%)
   Office work, intellectual work, services, student 308 (63.6) 397 (67.9) 484 (59.5) <0.001
   Farming, cattle-raising, forestry, industrial, mining, construction or other similar type of work 74 (15.3) 37 (6.3) 42 (5.2)  
   Do not work, pensioned 102 (21.1) 151 (25.8) 287 (35.3)  
Asset index, n(%)
   Low 202 (41.6) 224 (38.0) 347 (42.7) 0.022
   Medium 187 (38.6) 220 (37.4) 324 (39.9)  
   High 96 (19.8) 145 (24.6) 141 (17.4)  
  1. * (P25. P75) means 25th and 75th percentile.