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Table 2 The mean of CF and AP among different groups of the understudied qualitative variables

From: The effects of psychological risk factors at work on cognitive failures through the accident proneness

Variable

Steam furnace department

Mill department

Sugar filtration department

AP

CF

P value

95% Confidence Interval for Mean

P value

95% Confidence Interval for Mean

AP

CF

AP

CF

AP

CF

Lower Bound

Upper Bound

Lower Bound

Upper Bound

Second job

 Have

128.08

59.44

127.59

69.50

133.21

80.57

0.001†

3.35 a

11.74 a

0.015 †

1.44 a

14.88 a

 Do not have

113.68

44.40

127.52

71.47

123.52

69.04

Marital

 Single

115.18

49.47

124.59

64.80

121.58

67.83

0.020†

− 7.38a

− 0.48a

0.060†

− 10.45a

0.43a

 Married

115.46

45.33

129.30

74.91

127.02

72.71

Type of employment

 Domestic subcontractor

115.57

44.66

133.68

79.37

133.52

81.07

0.001‡

122.51

125.82

0.001‡

63.79

68.99

 Casual work contract

116.71

49.36

126.56

69.69

124.61

70.92

 Permanent contract

113.07

41.66

126.39

69.86

118.86

60.63

Type of shiftwork

 Morning

113.63

43.70

111.57

46.85

116.62

43.01

0.001‡

122.51

125.82

0.001‡

63.79

68.99

 Evening

127.05

60.55

124.45

62.73

122.16

69.01

 Night

122.17

74.01

132.18

79.82

138.31

91.77

Education level

 > diploma

108.97

40.20

120.77

60.01

119.65

64.13

0.001‡

122.51

125.82

0.044‡

63.79

68.99

 Diploma

128.62

59.20

128.89

74.31

122.88

68.05

 Bachelor <

123.88

60.01

131.79

76.02

139.90

89.60

  1. †Independent t test
  2. ‡Variance analysis test
  3. a95% confidence interval of the difference