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Table 2 Behavioral factors of the study subjects by commuting mode

From: Association of commuting mode with dyslipidemia and its components after accounting for air pollution in the working population of Beijing, China

Characteristics Total
(n = 8090)
Car or Taxi
(n = 2325)
Walking
(n = 957)
Cycling
(n = 933)
Bus
(n = 1937)
Subway
(n = 1938)
P value
Self–reported work stress (n, %)        < 0.0001
 Low 1155 (14.28) 292 (12.56) 154 (16.09) 155 (16.61) 323 (16.68) 231 (11.92)  
 Moderate 3580 (44.25) 989 (42.54) 445 (46.50) 398 (42.66) 840 (43.37) 908 (46.85)  
 High 3355 (41.47) 1044 (44.90) 358 (37.41) 380 (40.73) 774 (39.96) 799 (41.23)  
Physical activity frequency (n, %)        < 0.0001
Less than once every week 4078 (50.41) 1158 (49.81) 346 (36.15) 417 (44.69) 1065 (54.98) 1092 (56.35)  
More than once every week 2545 (31.46) 793 (34.11) 301 (31.45) 285 (30.55) 558 (28.81) 608 (31.37)  
More than once every day 1467 (18.13) 374 (16.09) 310 (32.39) 231 (24.76) 314 (16.21) 238 (12.28)  
Physical activity intensity (n, %)        < 0.0001
Mild (walking, Tai Chi, dancing) 5525 (68.29) 1579 (67.91) 596 (62.28) 549 (58.84) 1408 (72.69) 1393 (71.88)  
Moderate (jogging, cycling, climbing) 1869 (23.10) 500 (21.51) 252 (26.33) 300 (32.15) 413 (21.32) 404 (20.85)  
Vigorous (swimming, playing ball games, rope skipping) 696 (8.60) 246 (10.58) 109 (11.39) 84 (9.00) 116 (5.99) 141 (7.28)  
Sleep duration (n, %)        < 0.0001
 <  6 h/day 7212 (89.15) 2036 (87.57) 843 (88.09) 842 (90.25) 1708 (88.18) 1783 (92.00)  
 ≥ 6 h/day 878 (10.85) 289 (12.43) 114 (11.91) 91 (9.75) 229 (11.82) 155 (8.00)  
Current or previous smoker (n, %) 1957 (24.19) 766 (32.95) 211 (22.05) 254 (27.22) 381 (19.67) 345 (17.80) < 0.0001
Current or previous alcohol consumption (n, %) 3240 (40.05) 1076 (46.28) 371 (38.77) 404 (43.30) 706 (36.45) 683 (35.24) < 0.0001
 High vegetable intake (n, %) 1014 (12.53) 265 (11.40) 127 (13.27) 108 (11.58) 249 (12.85) 265 (13.67) 0.1666
 Excessive meat intake (n, %) 1086 (13.42) 389 (16.73) 102 (10.66) 118 (12.65) 220 (11.36) 257 (13.26) < 0.0001
 Excessive fat intake (n, %) 387 (4.78) 91 (3.91) 52 (5.43) 38 (4.07) 89 (4.59) 117 (6.04) 0.0133
 Excessive salt intake (n, %) 1746 (21.58) 522 (22.45) 202 (21.11) 218 (23.37) 430 (22.20) 374 (19.30) 0.0534
 Excessive sugar intake (n, %) 722 (8.92) 209 (8.99) 72 (7.52) 79 (8.47) 186 (9.60) 176 (9.08) 0.4456
Medication history for hypertension (n, %) 593 (7.33) 206 (8.86) 57 (5.96) 86 (9.22) 160 (8.26) 84 (4.33) < 0.0001
Medication history for diabetes (n, %) 199 (2.46) 69 (2.97) 20 (2.09) 40 (4.29) 47 (2.43) 23 (1.19) < 0.0001
Medication history for dyslipidemia (n, %) 168 (2.08) 56 (2.41) 17 (1.78) 26 (2.79) 39 (2.01) 30 (1.55) < 0.0001
  1. Data are presented as n (%)