Table 5.
Distribution of right and left eyelash whitening levels in the age groups.
| Age groups | Age | p | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1–10 (n=153) | 11–20 (n=153) | 21–30 (n=111) | 31–40 (n=155) | 41–50 (n=391) | 51–60 (n=301) | 61–70 (n=192) | 71–80 (n=75) | 81–90 (n=14) | ||||
| n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | Mean ±SD | |||
| Level of right eyelash whitening | 0 | 153 (100) | 153 (100) | 111 (100) | 155 (100) | 387 (99.0) | 295 (98.0) | 178 (92.7) | 64 (85.3) | 13 (92.9) | 41.85±19.87 | 0.001** |
| 1 | 0 | 0 | 0 | 0 | 4 (1.0) | 5 (1.7) | 12 (6.3) | 6 (8.0) | 1 (7.1) | 63.57±10.75 | ||
| 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 (1.0) | 2 (2.7) | 0 | 68.00±3.83 | ||
| 3 | 0 | 0 | 0 | 0 | 0 | 1 (0.3) | 0 | 3 (4.0) | 0 | 72.75±9.50 | ||
| Level of left eyelash whitening | 0 | 153 (100) | 153 (100) | 111 (100) | 155 (100) | 387 (99.0) | 295 (98.0) | 180 (93.8) | 65 (86.7) | 13 (92.9) | 41.91±19.89 | 0.001** |
| 1 | 0 | 0 | 0 | 0 | 3 (0.8) | 5 (1.7) | 11 (5.7) | 5 (6.7) | 1 (7.1) | 63.64±10.34 | ||
| 2 | 0 | 0 | 0 | 0 | 1 (0.2) | 0 (0.0) | 1 (0.5) | 2 (2.7) | 0 | 61.75±13.69 | ||
| 3 | 0 | 0 | 0 | 0 | 0 | 1 (0.3) | 0 | 3 (4.0) | 0 | 72.75±9.50 | ||
Since there are 4 subjects with level “2” and “3” whitening, the figures are reported in the table but were not included in the statistical analysis Student t test ** p<0.01.