Table 3.
Agreement between breast buds diagnosed by the girls’ mother and trained personnel, stratified by girl’s BMI z-score and mother’s schooling
| |
Mother’s Breast Tanner rating |
Breast Tanner rating by trained personnel |
|||
|---|---|---|---|---|---|
|
Tanner 2 + |
Tanner 1 |
Kappa index |
Spearman |
||
| N (%) | N (%) | (95% CI) | |||
| |
Study population
|
||||
| Entire Study Population (n = 341) |
Tanner 2 |
49 (89.1) |
22 (7.7) |
0.73 (0.63; 0.82) |
0.74 |
| Tanner 1 |
6 (10.9) |
264 (92.3) |
|||
| Total |
55 |
286 |
|||
| |
Stratified by girls’ BMI z-score at assessment
|
||||
| Girls’ BMI z-score ≤ 1DS (n = 204) |
Tanner 2 |
27 (87.1) |
11 (6.4) |
0.74 (0.65; 0.83) |
0.74 |
| Tanner 1 |
4 (12.9) |
162 (93.6) |
|||
| Total |
31 |
173 |
|||
| Girls’ BMI z-score > 1DS (n = 137) |
Tanner 2 |
22 (91.7) |
11 (9.7) |
0.71 (0.62; 0.81) |
0.73 |
| Tanner 1 |
2 (8.3) |
102 (90.3) |
|||
| Total |
24 |
113 |
|||
| |
Stratified by mother’s schooling
|
||||
| Mother’s schooling < 8 years (n = 123) |
Tanner 2 |
23 (88.5) |
11 (11.3) |
0.69 (0.59; 0.79) |
0.70 |
| Tanner 1 |
3(11.5) |
86 (88.7) |
|||
| Total |
26 |
97 |
|||
| Mother’s schooling ≥ 8 years (n = 216) | Tanner 2 |
26 (89.7) |
10(5.4) |
0.77 (0.68; 0.85) | 0.77 |
| Tanner 1 |
3 (10.3) |
177 (94.7) |
|||
| Total | 29 | 187 | |||
*BMI: Body Mass Index.