Table 6.
Net costs and QALYs incremental to “do nothing” by sociodemographic group for the four sodium reduction interventions (expressed per adult in 2011; discounted 3 %)
| Intervention/population group | Incremental (to “do nothing”) cost per adult in NZ$ | QALYs gained per adult |
|---|---|---|
| Salt substitution at 59 % | ||
| Age < 65 years (starting in 2011) | −835 | 0.146 |
| Age 65+ years (starting in 2011) | −112 | 0.073 |
| Women | −550 | 0.115 |
| Men | −760 | 0.141 |
| Māori | −533 | 0.163 |
| Non-Māori | −658 | 0.123 |
| Salt substitution at 25 % | ||
| Age < 65 years (starting in 2011) | −348 | 0.060 |
| Age 65+ years (starting in 2011) | −46 | 0.030 |
| Women | −230 | 0.048 |
| Men | −316 | 0.058 |
| Māori | −224 | 0.067 |
| Non-Māori | −275 | 0.051 |
| Tight limits on sodium in bread (280 mg/100 g) | ||
| Age < 65 years (starting in 2011) | −125 | 0.022 |
| Age 65+ years (starting in 2011) | −16 | 0.011 |
| Women | −82 | 0.017 |
| Men | −113 | 0.021 |
| Māori | −80 | 0.024 |
| Non-Māori | −98 | 0.018 |
| Modest limits on sodium in bread (400 mg/100 g) | ||
| Age < 65 years (starting in 2011) | −45 | 0.0072 |
| Age 65+ years (starting in 2011) | −10 | 0.0054 |
| Women | −30 | 0.0060 |
| Men | −43 | 0.0075 |
| Māori | −31 | 0.0087 |
| Non-Māori | −37 | 0.0066 |