Age

Education

N

Variable

Mean

SD

Min

Max

Median

Lower

95%

CL for

Mean

Upper

95%

CL for

Mean

t Value

Pr > |t|

60 - 70

Elementary

48

MIS-A

MIS-D

7.83

7.46

0.48

0.77

6

5

8

8

8

8

7.69

7.23

7.97

7.68

113.92

67.05

<0.0001

<0.0001

Medium

57

MIS-A

MIS-D

7.82

7.47

0.43

0.66

6

6

8

8

8

8

7.71

7.30

7.94

7.65

138.11

85.82

<0.0001

<0.0001

High

54

MIS-A

MIS-D

7.92

7.42

0.26

0.72

7

6

8

8

8

8

7.85

7.23

8

7.62

220.33

76.17

<0.0001

<0.0001

70 - 80

Elementary

92

MIS-A

MIS-D

7.54

6.91

0.65

0.87

6

5

8

8

8

7

7.41

6.73

7.68

7.09

110.77

75.98

<0.0001

<0.0001

Medium

72

MIS-A

MIS-D

7.64

7.00

0.54

0.88

6

5

8

8

8

7

7.51

6.79

7.76

7.21

120.30

66.88

<0.0001

<0.0001

High

60

MIS-A

MIS-D

7.88

7.28

0.37

0.74

6

5

8

8

8

7

7.79

7.09

7.98

7.47

163.96

76.39

<0.0001

<0.0001

80 - 90

Elementary

21

MIS-A

MIS-D

7.33

6.52

0.58

0.60

6

5

8

7

7

7

7.07

6.25

7.60

6.80

58.21

49.70

<0.0001

<0.0001

Medium

13

MIS-A

MIS-D

7.61

6.69

0.50

0.48

7

6

8

7

8

7

7.31

6.40

7.92

6.98

54.22

50.23

<0.0001

<0.0001

High

19

MIS-A

MIS-D

7.68

7.10

0.58

0.74

6

6

8

8

8

7

7.40

6.75

7.96

7.46

57.51

42.00

<0.0001

<0.0001