Proportion of cigarettes sold for R1 or less per stick (total observations in parentheses)
| Round 1 | Round 2 | % change | |
| Overall | 34.6 (1234) | 36.4 (1193) | 5.1 |
| Pack type | |||
| Carton | 55.6 (9) | 72.7 (11) | 30.9 |
| Pack | 32.1 (408) | 38.6 (485) | 20.1** |
| Single | 35.6 (817) | 34.3 (697) | −3.7 |
| P value | 0.20 | 0.01 | |
| Township | |||
| Eldorado Park (Gauteng) | 33.2 (214) | 39.1 (133) | 17.8 |
| Ivory Park (Gauteng) | 21.7 (198) | 32.3 (263) | 48.8** |
| Khayelitsha (Western Cape) | 18.7 (235) | 27.7 (184) | 48.0** |
| Mitchell’s Plain (Western Cape) | 40.8 (228) | 47.7 (199) | 17.0 |
| Thabong (Free State) | 59.7 (196) | 61.6 (203) | 3.2 |
| Umlazi (KwaZulu-Natal) | 36.2 (163) | 12.3 (211) | −66.0*** |
| P value | 0.00 | 0.00 | |
| Shop from where cigarettes were bought | |||
| Foreign-owned spaza shop† | 38.1 (981) | 44.2 (839) | 16.0*** |
| SA-owned spaza shop† | 26.2 (107) | 19.4 (175) | −25.8 |
| Spaza shop (ownership unknown)† | 33.3 (18) | 14.8 (27) | −55.6 |
| Retail outlet | 5.6 (89) | 10.2 (98) | 81.6 |
| Street stand | 18.2 (11) | 33.3 (9) | 83.3 |
| House shop | 46.2 (26) | 35.0 (20) | −24.2 |
| P value | 0.00 | 0.00 | |
| Sex | |||
| Male | 36.0 (859) | 37.2 (872) | 3.3 |
| Female | 31.5 (375) | 34.3 (321) | 8.9 |
| P value | 0.13 | 0.36 | |
| Education | |||
| None to complete primary school | 52.7 (146) | 64.6 (147) | 22.5** |
| Incomplete secondary school | 40.3 (523) | 40.5 (570) | 0.5 |
| Complete secondary school | 25.5 (513) | 23.7 (397) | −7.3 |
| Complete tertiary | 15.4 (52) | 16.7 (78) | 8.3 |
| P value | 0.00 | 0.00 | |
| Race | |||
| African | 33.3 (805) | 33.5 (859) | 0.7 |
| Mixed-race | 37.1 (429) | 43.8 (329) | 18.1* |
| P value | 0.19 | 0.00 | |
| Employment status | |||
| Employed | 28.8 (437) | 28.5 (442) | −1.1 |
| Unemployed | 41.6 (541) | 41.5 (549) | −0.1 |
| Not economically active | 28.3 (244) | 38.4 (198) | 35.7** |
| P value | 0.00 | 0.00 | |
| Age | |||
| Average (in years) | 36.0 | 41.0 | 13.9*** |
| Daily cigarette consumption | |||
| Average (sticks per day) | 10.7 | 10.5 | −2.1 |
| SES | |||
| Average (index 0–1) | 0.69 | 0.65 | −5.5*** |
P value from ANOVA test of difference in means of subgroups within each round. The statistical test used for the change in proportions is the proportions test. The difference in means test is used for averages. SES: 0 indicates access to none of the listed household resources and 1 indicates access to all 12.
*p<0.01, **p<0.05 and ***p<0.001.
†Spaza shops are informal convenience shops.
ANOVA, analysis of variance; SA, South African; SES, socioeconomic status.