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Table 2 Interaction of education, income and classification of occupation with quality of life – Mental dimension

From: Social gradient in health-related quality of life among urban middle-age residents in Limassol, Cyprus: research article

MCS Overall Male Female
Education Level Ν
(Number)
Μ (SD)
Mean (standard Deviation)
Ν
(Number)
Μ (SD)
Mean (standard Deviation)
Ν
(Number)
Μ (SD)
Mean (standard Deviation)
None/Primary 26 46,18 (11,04) 15 47,95 (10,77) 11 43,77 (11,45)
Secondary-Lower 56 49,30 (8,93) 26 49,73 (7,37) 30 48,91 (10,20)
Secondary-Upper 191 49,59 (7,35) 104 51,22 (6,71) 87 47,63 (7,64)
Undergraduate 146 51,25 (6,50) 63 52,70 (6,00) 83 50,15 (6,68)
Postagraduate 27 52,61 (5,89) 13 52,45 (7,51) 14 52,75 (4,17)
P-value   0,005   0,10   0,015
Per category increase (95% C.I.)   1,40 (0,66-2,14)   1,32 (0,34-2,30)   1,65 (0,56-2,74)
P for trend   < 0,001   0,008   0,003
P for interaction       0,56
Income (€) Ν Μ (SD) Ν Μ (SD) Ν Μ (SD)
< 1000 63 43,88 (10,80) 21 43,79 (10,36) 42 43,92 (11,14)
10,001–1500 117 49,53 (7,13) 59 50,35 (7,36) 58 48,70 (6,85)
1501–2000 119 51,24 (6,16) 64 52,09 (5,84) 55 50,26 (6,44)
2001–2500 77 51,90 (6,32) 40 53,58 (4,95) 37 50,09 (7,15)
3001–5000 40 53,19 (4,40) 20 54,49 (3,71) 20 51,89 (4,74)
> 5001 33 51,91 (5,44) 21 51,83 (6,02) 12 52,04 (4,49)
P-value   < 0,001   < 0,001   < 0,001
Per category increase (95% C.I.)   1,56 (1,10-2,04)   1,40 (0,77-2,04)   1,57 (0,86-2,29)
P for trend   < 0,001   < 0,001   < 0,001
P for interaction       0,72
Classification of occupation Ν Μ (SD) Ν Μ (SD) Ν Μ (SD)
Level 1 17 51,31 (5,52) 7 52,98 (2,44) 10 50,15 (6,83)
Level 2 123 48,80 (8,00) 44 50,89 (7,67) 79 47,63 (7,99)
Level 3 99 52,70 (4,53) 81 53,02 (4,18) 18 51,23 (5,76)
Level 4 71 51,51 (5,70) 35 52,73 (5,48) 36 50,32 (5,73)
P-value   < 0,001   0,22   0,11
Per category increase (95% C.I.)   1,17 (0,34-2,01)   0,67 (−0,40, 1.75)   1,01 (−0.25, 2.27)
P for trend   0,006   0,22   0,11
P for interaction       0,90