Table 2 Sample participant recruitment lists for each stratum
Stratum 1: Primary school and below | Stratum 2: At least secondary school | Stratum 3: At least tertiary education | |||
|---|---|---|---|---|---|
Number within stratum | Study code | Number within stratum | Study code | Number within stratum | Study code |
1 | YL9 | 1 | FO4 | 1 | TH4 |
2 | PX5 | 2 | HG6 | 2 | UW0 |
3 | JP3 | 3 | GS3 | 3 | AT5 |
4 | OB2 | 4 | PS9 | 4 | SX4 |
5 | XD6 | 5 | YE9 | 5 | UJ7 |
6 | JD0 | 6 | BH7 | 6 | XD9 |
7 | NU5 | 7 | HN6 | 7 | RJ7 |
8 | SS0 | 8 | TY7 | 8 | CS1 |
9 | SK0 | 9 | DT3 | 9 | BC4 |
10 | QN4 | 10 | FZ1 | 10 | ED1 |