Table 4.
Prevalence of binge drinkersª in SA from 2008 to 2015 by SES and other equity stratifiers.
| 2008 | 2010/11 | 2012 | 2014/15 | Total Difference† | |
|---|---|---|---|---|---|
| Total | 41.0% | 41.0% | 39.1% | 43.0% | 2.1%** |
| (0.008) | (0.009) | (0.007) | (0.006) | (0.005) | |
| Poorest | 48.4% | 45.4% | 49.7% | 49.6% | 1.2% |
| (0.021) | (0.020) | (0.018) | (0.014) | (0.005) | |
| 2nd Quintile | 46.4% | 52.9% | 44.5% | 44.1% | −2.3%** |
| (0.017) | (0.019) | (0.016) | (0.012) | (0.005) | |
| 3rd Quintile | 49.3% | 48.5% | 45.8% | 46.2% | −3.0%** |
| (0.018) | (0.018) | (0.016) | (0.013) | (0.005) | |
| 4th Quintile | 51.0% | 51.7% | 41.2% | 49.3% | −1.60% |
| (0.018) | (0.019) | (0.017) | (0.014) | (0.005) | |
| Richest | 25.8% | 25.4% | 27.5% | 31.9% | 6.1%*** |
| (0.0149) | (0.020) | (0.016) | (0.016) | (0.005) | |
| Chi-Square (χ2)1 | 148.0*** | 42.4*** | 38.78*** | 24.3*** | |
| Female | 24.8% | 24.6% | 25.8% | 32.4% | 7.6%*** |
| (0.012) | (0.014) | (0.012) | (0.010) | (0.004) | |
| Male | 48.8% | 48.0% | 45.3% | 48.2% | −0.7% |
| (0.010) | (0.010) | (0.009) | (0.008) | (0.005) | |
| Chi-Square (χ2)1 | 125.9*** | 69.2*** | 94.0*** | 121.9*** | |
| African | 50.3% | 52.2% | 46.4% | 50.4% | 0.1% |
| (0.010) | (0.010) | (0.009) | (0.007) | (0.005) | |
| Colored | 46.4% | 41.0% | 44.8% | 43.9% | −2.4%** |
| (0.018) | (0.020) | (0.016) | (0.014) | (0.005) | |
| Asian/Indian | 24.3% | 8.8% | 25.2% | 22.7% | −1.5%* |
| (0.058) | (0.042) | (0.065) | (0.059) | (0.004) | |
| White | 14.9% | 12.3% | 10.6% | 11.6% | −3.3%*** |
| (0.015) | (0.023) | (0.018) | (0.019) | (0.003) | |
| Chi-Square (χ2)1 | 277.0*** | 97.0*** | 151.9*** | 153.9*** | |
| 15–24 | 44.2% | 44.2% | 45.7% | 47.9% | 3.7%*** |
| (0.018) | (0.018) | (0.016) | (0.012) | (0.005) | |
| 25–34 | 51.4% | 51.0% | 45.4% | 49.4% | −2.0%* |
| (0.017) | (0.017) | (0.014) | (0.011) | (0.005) | |
| 35–44 | 41.3% | 38.6% | 39.8% | 44.2% | 2.9%** |
| (0.018) | (0.020) | (0.018) | (0.015) | (0.005) | |
| 45–54 | 36.7% | 37.1% | 27.6% | 38.7% | 1.9%* |
| (0.018) | (0.020) | (0.017) | (0.017) | (0.005) | |
| 55–64 | 30.4% | 27.8% | 32.7% | 25.9% | −4.5%*** |
| (0.024) | (0.026) | (0.024) | (0.019) | (0.005) | |
| 65+ | 15.3% | 17.8% | 17.8% | 14.8% | −0.5% |
| (0.021) | (0.028) | (0.024) | (0.020) | (0.003) | |
| Chi-square (χ2)1 | 100.7*** | 34.0*** | 104.6*** | 130.7*** | |
| Rural | 47.3% | 51.4% | 46.1% | 44.0% | −3.3%** |
| (0.014) | (0.014) | (0.012) | (0.010) | (0.005) | |
| Urban | 38.9% | 37.7% | 36.8% | 42.7% | 3.8%*** |
| (0.010) | (0.010) | (0.009) | (0.008) | (0.005) | |
| Chi-square (χ2)1 | 5.0*** | 3.9*** | 7.5*** | 7.5*** |
†
Absolute difference between 2014/5 and 2008. Significance levels are denoted as follows:
***
p < 0.01,
**
p < 0.05, and
*
p < 0.10. Standard errors displayed in parentheses.
a
An adult (female or male) who is a current alcohol drinker consuming 5 or more standard drinks on a single occasion.
1
The Chi-Square (χ2) tests the relationship between binge drinking and equity stratification variables as categorical variables.