Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 21, 2013; 19(11): 1770-1777
Published online Mar 21, 2013. doi: 10.3748/wjg.v19.i11.1770
Table 1 Characteristics of participants
VariablesControlsROBOOAC
n (%)n (%)P valuen (%)P valuen (%)P value
Gender0.470.550.99
Male220 (84.6)189 (82.2)185 (82.6)192 (84.6)
Female40 (15.4)41 (17.8)39 (17.4)35 (15.4)
Age (yr)63.061.70.2262.40.5764.20.28
Education (yr)12.010.8< 0.00111.30.0110.7< 0.001
Job type0.710.020.01
Manua119 (48.0)107 (48.2)130 (59.1)128 (59.5)
Non-manual129 (52.0)115 (51.8)90 (40.9)87 (40.5)
GOR symptoms< 0.001< 0.001< 0.001
Neve211 (81.2)140 (60.9)60 (26.8)117 (51.5)
Ever49 (18.8)90 (39.1)164 (73.2)110 (48.5)
Smoking status0.030.40< 0.001
Never102 (40.2)109 (48.4)87 (39.2)45 (20.4)
Ex-smoker107 (42.1)68 (30.2)85 (38.3)99 (44.8)
Current45 (17.7)48 (21.3)50 (22.5)77 (34.8)
Alcohol (g/d)26.122.00.1522.30.2119.20.01
Body mass index (kg/m2)27.027.80.0527.00.9028.7< 0.001
Reed stress inventory, mean ± SD0.0140.187< 0.001
Mean score (range 2-8)4.50 ± 2.084.11 ± 1.884.28 ± 2.083.80 ± 2.09
Stress teenage years0.1460.5390.655
Mean score (range 1-51.80 ± 1.051.67 ± 0.951.86 ± 1.181.85 ± 1.17
Stress young adulthood0.3010.3280.486
Mean score (range 1-52.45 ± 1.232.67 ± 1.112.34 ± 1.252.37 ± 1.24
Stress midlife< 0.0010.0380.928
Mean score (range 1-5)2.49 ± 1.263.33 ± 1.202.75 ± 1.342.50 ± 1.33
Stress senior years< 0.0010.080.088
Mean score (range 1-5)2.07 ± 1.172.80 ± 1.422.34 ± 1.352.33 ± 1.37
Depression0.1070.1470.109
Mean score (range 2-8)4.11 ± 1.744.42 ± 2.374.38 ± 2.253.82 ± 2.31
Self efficacy< 0.0010.794< 0.001
Mean score (range 10-40)32.0 ± 4.7633.8 ± 4.3231.8 ± 5.5234.3 ± 4.89
Self esteem0.8280.0220.034
Mean score (range 1-4)2.95 ± 0.812.93 ± 1.102.76 ± 1.043.13 ± 0.97
Repression0.0970.5010.554
Mean score2.80 ± 0.892.64 ± 1.172.86 ± 1.052.86 ± 1.17
Social support< 0.0010.40< 0.001
Mean score (range 1-4)3.57 ± 0.603.82 ± 0.503.62 ± 0.633.76 ± 0.48