TABLE 3 .
] Influence of Various Analysis Techniques on the Calculated Sample Size (Measurement Based on 5 Weekdays)
| Technique | Baseline | 3 mo | Δ | p5-p95 | P Value | Sample Size |
| STEPS, No./d | ||||||
| All data | 3,931 ± 2,565 | 4,846 ± 3,257 | 916 ± 2,392 | −1,599 to 4,948 | .0055 | 56 |
| 7:00 am-8:00 pm | 3,664 ± 2,456 | 4,529 ± 3,143 | 866 ± 2,298 | −1,430 to 4,963 | .0062 | 58 |
| > 480 min | 3,981 ± 2,602 | 4,927 ± 2,364 | 946 ± 2,364 | −1,631 to 4,948 | .0038 | 51 |
| > 600 min | 4,026 ± 2,666 | 4,988 ± 3,253 | 962 ± 2,445 | −1,631 to 4,948 | .0044 | 53 |
| Combination | 3,711 ± 2,464 | 4,652 ± 2,272 | 941 ± 2,272 | −1,352 to 4,963 | .0028 | 48 |
| TMA, min/d | ||||||
| All data | 50 ± 55 | 64 ± 74 | 15 ± 63 | −58 to 158 | .0855 | 148 |
| 7:00 am-8:00 pm | 48 ± 53 | 61 ± 69 | 13 ± 60 | −58 to 115 | .0957 | 158 |
| > 480 min | 50 ± 56 | 65 ± 75 | 15 ± 63 | −61 to 158 | .0873 | 150 |
| > 600 min | 51 ± 57 | 66 ± 76 | 15 ± 65 | −61 to 158 | .0895 | 152 |
| Combination | 48 ± 53 | 62 ± 69 | 14 ± 60 | −58 to 115 | .0903 | 153 |
| METS | ||||||
| All data | 1.327 ± 0.26 | 1.375 ± 0.34 | 0.055 ± 0.28 | −0.445 to 0.478 | .1450 | 207 |
| 7:00 am-8:00 pm | 1.395 ± 0.29 | 1.466 ± 0.36 | 0.071 ± 0.30 | −0.428 to 0.626 | .0763 | 140 |
| > 480 min | 1.330 ± 0.26 | 1.387 ± 0.34 | 0.057 ± 0.29 | −0.371 to 0.485 | .1349 | 197 |
| > 600 min | 1.330 ± 0.26 | 1.388 ± 0.34 | 0.058 ± 0.29 | −0.371 to 0.488 | .1418 | 204 |
| Combination | 1.395 ± 0.29 | 1.467 ± 0.36 | 0.072 ± 0.30 | −0.428 to 0.626 | .0780 | 141 |
| Wearing time, min/d | ||||||
| All data | 890 ± 808 | 916 ± 812 | … | … | … | … |
| No. d | 4.75 | 4.37 | … | … | … | … |
| 7:00 am-8:00 pm | 689 ± 62 | 680 ± 83 | … | … | … | … |
| No. d | 4.72 | 4.37 | … | … | … | … |
| > 480 min | 901 ± 223 | 924 ± 255 | … | … | … | … |
| No. d | 4.67 | 4.25 | … | … | … | … |
| > 600 min | 912 ± 233 | 932 ± 256 | … | … | … | … |
| No. d | 4.53 | 4.09 | … | … | … | … |
| Combination | 698 ± 57 | 697 ± 65 | … | … | … | … |
| No. d | 4.58 | 4.12 | … | … | … | … |
Data are presented as mean ± SD unless otherwise indicated. 7:00 am-8:00 pm = data exclusion before 7:00 am and after 8:00 pm; > 480 min = exclusion of days with ≤ 480 min of wearing time; > 600 min = exclusion of days with ≤ 600 min of wearing time; combination = included data between 7:00 am and 8:00 pm of days with minimum of 480 min of wearing time in this period. See Table 2 legend for expansion of other abbreviations.