Pattern type

Nonresponse pattern

Normal/Log-normal data

Total Probability

Monotone

1 0 0 0

0.062

0.181

1 1 0 0

0.043

1 1 1 0

0.076

Nonmonotone

1 0 0 1

0.113

0.494

1 0 1 0

0.071

1 0 1 1

0.186

1 1 0 1

0.124

Complete data

1 1 1 1

0.325

0.325