Table 2.
Presence of acne | Age group [years] | Total | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
< 20 | 20–29 | 30–39 | ≥ 40 | |||||||
n | % | n | % | n | % | n | % | n | % | |
Yes | 15 | 71.4 | 40 | 53.3 | 8 | 25 | – | – | 63 | 46.7 |
No | 6 | 28.6 | 35 | 46.7 | 24 | 75 | 7 | 100 | 72 | 53.3 |
Total | 21 | 100 | 75 | 100 | 32 | 100 | 7 | 100 | 135 | 100 |
χ2-test | χ2 = 18.67; df =3; p = 0.00032 |
Significant for p < 0.001