Table 2C.
Participant profile: summary of body composition categorical indicators, among public school teachers in mid-2019 in Gqeberha, South Africa.
| Categorical variables | Category | Frequencyi | Percentagevii | |||
|---|---|---|---|---|---|---|
| Bone mass indicators | ||||||
| Femoral neck T-score classification | 69 | 100% | ||||
| Normal | ≥ − 1.0 | 55 | 79.7% | |||
| Osteopenia | −2.5 – −1.0 | 14 | 20.3% | |||
| Osteoporosis | ≤ − 2.5 | 0 | 0% | |||
| Femoral neck Z-score classification | 136 | 100% | ||||
| Expected range for age | ≥ − 2.0 | 136 | 100% | |||
| Below expected range | < −2.0 | 0 | 0% | |||
| Hip T-score classification | 69 | 100% | ||||
| Normal | ≥ − 1.0 | 64 | 92.8% | |||
| Osteopenia | −2.5 – −1.0 | 5 | 7.2% | |||
| Osteoporosis | ≤ − 2.5 | 0 | 0% | |||
| Hip Z-score classification | 136 | 100% | ||||
| Expected range for age | ≥ − 2.0 | 136 | 100% | |||
| Below expected range | < −2.0 | 0 | 0% | |||
| Lumbar spine T-score classification | 69 | 100% | ||||
| Normal | ≥ − 1.0 | 38 | 55.1% | |||
| Osteopenia | −2.5 – −1.0 | 29 | 42% | |||
| Osteoporosis | ≤ − 2.5 | 2 | 2.9% | |||
| Lumbar spine Z-score classification | 136 | 100% | ||||
| Expected range for age | ≥ − 2.0 | 129 | 94.9% | |||
| Below expected range | < −2.0 | 7 | 5.1% | |||
| Whole body T-score classification | 69 | 100% | ||||
| Normal | ≥ − 1.0 | 47 | 68.1% | |||
| Osteopenia | −2.5 – −1.0 | 22 | 31.9% | |||
| Osteoporosis | ≤ − 2.5 | 0 | 0% | |||
| Whole body Z-score classification | 136 | 100% | ||||
| Expected range for age | ≥ − 2.0 | 132 | 97.1% | |||
| Below expected range | < −2.0 | 4 | 2.9% | |||
| Fat mass indicators | ||||||
| Body fat (%) classification | Women | Men | 136 | 100% | ||
| Essential | 10.0–13.9% | 2.0–5.9% | 0 | 0% | ||
| Athletic | 14.0–20.9% | 6.0–13.9% | 1 | 0.7% | ||
| Fitness | 21.0–24.9% | 14.0–17.9% | 1 | 0.7% | ||
| Average | 25.0–34.9% | 18.0–24.9% | 9 | 6.6% | ||
| Obese | ≥ 35.0% | ≥ 25.0% | 125 | 91.9% | ||
| Fat mass index (FMI) classification | Women | Men | 135 | 100% | ||
| Fat deficit | < 5 | < 3 | 2 | 1.5% | ||
| Normal | 5–9 | 3–6 | 12 | 8.9% | ||
| Excess fat | > 9–13 | > 6–9 | 40 | 29.6% | ||
| Obese class I | > 13–17 | > 9–12 | 36 | 26.7% | ||
| Obese class II | > 17-21 | > 12–15 | 30 | 22.2% | ||
| Obese class III | > 21 | > 15 | 15 | 11.1% | ||
| Lean mass indicators | ||||||
| Appendicular lean mass index (ALMI) (kg/m2) classification | Women | Men | 136 | 100% | ||
| Low | < 5.5 | < 7.0 | 7 | 5.1% | ||
| Normal | ≥ 5.5 | ≥ 7.0 | 129 | 94.9% | ||