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Table 2 Coding of facial features by gender and age of the drawer

From: Inconsistencies in the drawing and interpretation of smiley faces: an observational study

 

Total

Gender

Odds ratio (95% CI), p value

Male

Female

All drawings

676

165

511

Nose present

261 (38.6%)

82 (49.7%)

179 (35.0%)

0.55 (0.38–0.78), 0.0008

Closed mouth

572 (84.6%)

138 (83.6%)

434 (84.9%)

0.91 (0.56–1.46), 0.688

Outline present

479 (70.9%)

131 (79.4%)

348 (68.1%)

0.55 (0.36–0.84), 0.006

Classic face

371 (54.9%)

70 (42.4%)

301 (58.9%)

1.98 (1.36–2.78), 0.0002

 

Total

Age

 

≤ 30 years

> 30 years

All drawings

676

335

341

Nose present

261 (38.6%)

97 (29.0%)

164 (48.1%)

0.44 (0.32–0.60), < 0.0001

Closed mouth

572 (84.6%)

286 (85.4%)

286 (83.9%)

1.12 (0.74–1.71), 0.588

Outline present

479 (70.9%)

199 (59.4%)

280 (82.1%)

0.32 (0.22–0.45), < 0.0001

Classic face

371 (54.9%)

225 (67.2%)

146 (42.8%)

2.73 (2.00–3.74), < 0.0001