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Table 1 Characteristics of study participants by eating speed

From: Association between self-reported eating speed and metabolic syndrome in a Beijing adult population: a cross-sectional study

Variable Male Female
Slow
(n = 371)
Medium
(n = 2188)
Fast
(n = 1905)
P valuea Slow
(n = 523)
Medium
(n = 1964)
Fast
(n = 1021)
P valuea
Age (years)b 38 (31–48) 39 (32–48) 37 (31–46) < 0.0001 34 (29–41) 35 (30–43) 36 (30–43) 0.0041
BMI (kg/m2)b 24.2 (21.8–26.8) 25.0 (23.1–27.0) 25.7 (23.5–28.1) < 0.0001 21.1 (19.1–23.1) 21.8 (20.2–24.1) 22.5 (20.5–24.8) < 0.0001
WC (cm)b 84 (78–92) 87 (81–93) 88 (83–95) < 0.0001 70 (65–76) 72 (68–78) 73 (68–79) < 0.0001
SBP (mm Hg)b 120 (110–130) 120 (116–130) 120 (110–130) 0.0009 110 (100–120) 110 (100–120) 110 (100–120) < 0.0001
DBP (mm Hg)b 80 (80–90) 80 (80–90) 84 (80–90) 0.0049 70 (70–80) 80 (70–80) 80 (70–80) 0.0001
FPG (mmol/L)b 5.22 (4.94–5.58) 5.23 (4.92–5.64) 5.23 (4.93–5.63) 0.7603 4.95 (4.70–5.25) 5.02 (4.74–5.33) 5.01 (4.74–5.33) 0.0162
TG (mmol/L)b 1.18 (0.81–1.81) 1.34 (0.89–1.98) 1.47 (0.98–2.26) < 0.0001 0.79 (0.60–1.14) 0.86 (0.62–1.23) 0.84 (0.63–1.23) 0.0300
HDL (mmol/L)b 1.19 (1.03–1.39) 1.15 (1.01–1.31) 1.11 (0.98–1.27) < 0.0001 1.45 (1.27–1.62) 1.40 (1.22–1.61) 1.39 (1.22–1.57) 0.0065
Education (n, %)     0.0021     0.1374
 High school or lower 73 (19.68) 371 (16.96) 250 (13.12)   32 (6.12) 151 (7.69) 57 (5.58)  
 College 235 (63.34) 1431 (65.40) 1294 (67.93)   343 (65.58) 1209 (61.56) 647 (63.37)  
 Graduate or above 63 (16.98) 386 (17.64) 361 (18.95)   148 (28.30) 604 (30.75) 317 (31.05)  
Work stress (n, %)     < 0.0001     0.0001
 Low 69 (18.60) 286 (13.07) 244 (12.81)   90 (17.21) 310 (15.78) 133 (13.03)  
 Moderate 142 (38.38) 1001 (45.94) 706 (37.32)   267 (51.35) 955 (48.80) 463 (45.66)  
 High 160 (43.13) 901 (41.18) 955 (50.13)   166 (31.74) 699 (35.59) 425 (41.63)  
History of antihypertensive treatment (n, %) 29 (7.82) 235 (10.74) 209 (10.97) 0.1867 7 (1.34) 65 (3.31) 43 (4.21) 0.0110
History of antidiabetic treatment (n, %) 8 (2.16) 87 (3.98) 69 (3.62) 0.2238 2 (0.38) 16 (0.81) 15 (1.47) 0.0764
History of hypolipidaemic treatment (n, %) 7 (1.89) 54 (2.47) 54 (2.83) 0.5190 4 (0.76) 30 (1.53) 18 (1.76) 0.2979
  1. BMI body mass index, WC waist circumference, SBP systolic blood pressure, DBP diastolic blood pressure, FPG fasting plasma glucose, TG triglycerides, HDL high-density lipoprotein
  2. aChi-square test or Kruskal-Wallis rank test
  3. bValues are expressed as the median (P25-P75)