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. 2015 Mar 26;10(3):e0121618. doi: 10.1371/journal.pone.0121618

Table 4. DBI-07 score (Mean and SD) by predictor factors.

Predictor Variables DBI_LBS P value DBI_HBS P value DBI_TS P value
Mean (SD) Mean (SD) Mean (SD)
Gender
Men 33.4 (8.4) 10.6 (5.1) -22.8 (10.0)
Women 33.6 (8.6) 0.44 8.9 (4.9) <0.001 -24.7 (10.1) <0.001
Age groups
60–69 33.0 (8.2) 10.5 (5.0) -22.5 (9.4)
70 or over 34.3 (8.8) 0.001 8.7 (5.0) <0.001 -25.6 (10.6) <0.001
Marital Status
Married 32.9 (8.5) 10.0 (5.1) -22.9 (9.9)
Other marital status* 35.5 (8.3) <0.001 8.9 (5.0) <0.001 -26.6 (10.0) <0.001
Work Status
No 32.9 (8.6) 9.0 (4.9) -23.9 (10.2)
Yes 35.2 (7.9) <0.001 11.6 (5.1) <0.001 -23.6 (9.7) 0.55
Education level
Illiteracy 36.4 (7.9) 9.1 (5.0) -27.3 (9.9)
Low 33.9 (8.0) 10.2 (5.1) -23.6 (9.5)
Medium 32.1 (8.5) 10.0 (5.0) -22.0 (9.9)
High 27.6 (8.0) <0.001 9.2 (4.8) <0.001 -18.4 (9.4) <0.001
BMI
Underweight 36.3 (7.7) 8.6 (5.1) -27.6 (9.7)
Normal 34.0 (8.4) 9.9 (5.2) -24.1 (10.1)
Overweight 32.0 (8.5) 10.0 (5.1) -22.0 (9.8)
Obesity 32.8 (8.4) <0.001 9.7 (4.6) 0.004 -23.1 (10.0) <0.001
Urbanicity levels
Low 37.6 (7.3) 11.5 (5.2) -26.2 (9.6)
Medium 33.3 (7.6) 9.0 (4.7) -24.3 (9.6)
High 29.5 (8.6) <0.001 8.6 (4.8) <0.001 -20.9 (10.4) <0.001
Regions
Northeast 29.9 (8.2) 10.4 (5.6) -19.5 (9.1)
East Coast 32.4 (8.4) 9.2 (4.9) -23.2 (10.3)
Central 35.6 (8.8) 10.6 (4.9) -25.0 (10.2)
West 34.5 (7.5) <0.001 8.7 (4.9) <0.001 -25.8 (9.4) <0.001

*Other marital status includes divorced; widowed; separated and never married.