Research Article
Population-Based Estimates of Physical Activity for Adults with Type 2 Diabetes: A Cautionary Tale of Potential Confounding by Weight Status
(a) Comparison of agreement between Kcal method and Metmins method across BMI categories. |
| | Metmins | Body mass index | 25 | 25–30 | 30 | | Inactive (%) | Active (%) | Inactive (%) | Active (%) | Inactive (%) | Active (%) |
| Kcal | | | | | | | Inactive | 206 (60.4) | 36 (10.6) | 361 (63.3) | 39 (6.8) | 506 (71.9) | 23 (3.3) | Active | 0 (0) | 99 (29.0) | 1 (0.1) | 169 (29.7) | 16 (2.2) | 159 (22.6) |
| | Kappa = 0.77 () | Kappa = 0.84 () | Kappa = 0.85 () | | | | |
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(b) Comparison of agreement between Kcal method and MVPA mins method across BMI categories. |
| | MVPA mins | Body mass index | 25 | 25–30 | 30 | | Inactive (%) | Active (%) | Inactive (%) | Active (%) | Inactive (%) | Active (%) |
| Kcal | | | | | | | Inactive | 220 (64.5) | 22(6.5) | 385 (67.5) | 15 (2.6) | 521(74.0) | 8 (1.1) | Active | 6 (1.8) | 93 (27.3) | 4 (0.7) | 166 (29.1) | 27 (3.8) | 148 (21.0) |
| | Kappa = 0.81 () | Kappa = 0.92 () | Kappa = 0.86 () | | | | |
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(c) Comparison of agreement between MVPA mins method and Metmins method across BMI categories. |
| | Metmins | Body mass index | 25 | 25–30 | 30 | | Inactive (%) | Active (%) | Inactive (%) | Active (%) | Inactive (%) | Active (%) |
| MVPA mins | | | | | | | Inactive | 206 (60.4) | 20 (5.9) | 362 (63.5) | 27 (4.7) | 522 (74.1) | 26 (3.7) | Active | 0 (0) | 115 (33.7) | 0 (0) | 181 (31.8) | 0 (0) | 156 (22.2) |
| | Kappa = 0.87 () | Kappa = 0.90 () | Kappa = 0.90 () | | | | |
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