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. 2015 Jul 15;10(7):e0129687. doi: 10.1371/journal.pone.0129687

Table 1. Demographics and the anthropometric assessment of both groups.

Control (n = 50) Obese (n = 100) p Test
Age in years (mean±SEM) 31.3 (± 1.3) 37.6 (±1.0) 0.0007 Unpaired t
Weight in kg (mean±SEM) 59.6 (±1.3) 138.1 (±2.9) < 0.0001 Unpaired t/Welch correction
Height in meters (mean±SEM) 1.65 (±0.01) 1.65 (±0.01) 0.83 Unpaired t
BMI in kg/m2 (mean±SEM) 21.9 (±0.3) 50.9 (±0.9) < 0.0001 Unpaired t/Welch correction
Female 44 (88%) 77 (77%) 0.17 Chi-square/Yates correction
Male 6 (12%) 23 (23%)
Smoker 9 (18%) 7 (7%) 0.08 Chi-square/Yates correction
Non-Smoker 41 (82%) 93 (93%)
Hypertension 2 (4%) 58 (58%) < 0.0001 Fisher´s Exact
Non-Hypertension 48 (96%) 42 (42%)
Diabetes - 24 (24%) < 0.0001 Fisher´s Exact
Non-Diabetes 50 (100%) 76 (76%)
Socio-economic level index (mean±SEM) 6.6 (±0.26) 5.1 (±0.15) < 0.0001 Unpaired t
Low socio-economic level 2 (4%) 6 (6%) < 0.0001 Chi-square/Yates correction
Low to average socio-economic level 6 (12%) 40 (40%)
Average socio-economic level 19 (38%) 44 (44%)
Average to high socio-economic level 19 (38%) 9 (9%)
High socio-economic level 4 (8%) 1 (1%)
Total OIDP (median/interquartile deviation) 0 (3) 0 (15) 0.10 Mann-Whitney
No impact 35 (70%) 58 (58%) 0.09 Chi-square/Yates correction
Low OIDP 10 (20%) 19 (19%)
Average OIDP 4 (8%) 10 (10%)
High OIDP 1 (2%) 13 (13%)