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Table 4 Estimated numbers of required subjects for 2, 3, 4 and 5 observations with ICC = 0.6

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 551 467 477 438 378 385 400 326 333 351 326 326
SH 451 426 453 376 369 370 363 349 350 332 326 334
SM 451 438 451 380 377 380 357 346 351 326 323 333
SL 454 444 445 385 376 380 344 326 340 326 313 324
HS 289 234 239 200 171 179 171 136 157 145 120 127
HH 156 132 130 127 111 122 111 101 108 104 93 96
HM 142 125 132 115 111 113 107 102 105 100 98 98
HL 133 131 127 115 111 112 102 97 97 100 97 99
MS 226 194 202 157 145 148 129 108 118 106 88 85
MH 99 80 91 76 62 73 63 52 60 57 48 52
MM 72 62 70 61 51 53 54 47 48 49 46 48
ML 63 59 61 53 52 52 49 49 49 47 46 46
LS 211 201 204 138 132 135 117 105 108 91 79 87
LH 72 62 65 52 45 49 43 36 38 37 31 32
LM 45 38 39 35 29 34 30 24 28 26 23 24
LL 33 31 32 28 24 25 25 24 25 23 21 23
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