Patterns of non-response for the BHPS for 1991–98*
| Monotone patterns | Frequency | Percentage | |
|---|---|---|---|
| *1, present for wave; 0, a drop out for wave. †This illustrates the most frequently occurring combination of this number of missing waves. | |||
| Complete for all waves | 4805 | 65 | 11111111 |
| 1 wave missing | 209 | 3 | 11111110 |
| 2 waves missing | 228 | 3 | 11111100 |
| 3 waves missing | 223 | 3 | 11111000 |
| 4 waves missing | 338 | 5 | 11110000 |
| 5 waves missing | 367 | 5 | 11100000 |
| 6 waves missing | 487 | 7 | 11000000 |
| 7 waves missing | 763 | 10 | 10000000 |
| Total | 7420 | 100 | |
| Non-monotone patterns | Frequency | Percentage | Example† |
| 1 wave missing | 323 | 48 | 10111111 |
| 2 waves missing | 116 | 17 | 11100111 |
| 3 waves missing | 72 | 11 | 11000111 |
| 4 waves missing | 54 | 8 | 10000111 |
| 5 waves missing | 57 | 8 | 10110000 |
| 6 waves missing | 49 | 7 | 10100000 |
| Total | 671 | 100 | |