Criteria to substitute missing values on the low back pain diary

Known and missing values4-150Data after substitution4-150
1.1>111
1.2>122
2.2>222
2.1>221
1..1>1111
1..2>1122
2..2>2222
2..1>2211
1...1>11111
1...2>11222
2...2>22222
2...1>22211
1....1>111111
1....2>111222
2....2>222222
2....1>222111
  • 4-150 1 = Reported low back pain. 2 = Reported no low back pain.