Skip to main content

Table 5 Estimated numbers of required subjects for 2, 3, 4 and 5 observations with ICC = 0.9

From: Sample size determination for mediation analysis of longitudinal data

Observations
  2 3 4 5
Effect size Sobel Product Bootstrap Sobel Product Bootstrap Sobel Product Bootstrap Sobel Product Bootstrap
SS 638 576 581 544 495 523 499 465 454 476 426 455
SH 551 545 550 499 468 473 462 463 464 458 440 465
SM 551 550 550 507 485 490 476 479 478 444 447 445
SL 568 576 577 512 499 500 461 466 466 447 425 435
HS 308 246 251 236 189 204 193 163 168 175 148 162
HH 195 165 170 159 144 149 144 139 142 143 129 134
HM 183 171 170 143 148 149 139 133 132 134 128 129
HL 167 164 166 154 145 148 134 134 132 134 129 131
MS 232 208 212 171 145 153 136 113 111 115 95 102
MH 109 92 102 90 74 85 79 66 70 71 65 67
MM 86 76 82 73 66 65 65 64 64 63 60 62
ML 82 74 77 70 65 66 63 63 63 65 61 62
LS 213 207 216 144 133 137 111 108 109 91 84 84
LH 77 64 76 56 48 54 49 40 48 43 36 40
LM 50 42 46 41 36 34 35 31 32 32 27 30
LL 41 34 37 33 31 33 31 29 30 30 28 30
\