Table 1

 Comparison of demographics and standard of play in the protective eyewear promotion (PEP) and control groups before and after the intervention

Pre-interventionPost-intervention
PEP 2002 (n = 266)Control 2002 (n = 146)*PEP 2003 (n = 360)*Control 2003 (n = 220)*
Values are percentages with 95% confidence intervals.
*Control 2002: 24 missing values; PEP 2003: 19 missing values; control 2003: 12 missing values.
Median age (years)38393937
Sex (% male)66607280
Highest grade
    Grade 1–445.1% (39.1 to 51.1)51.4% (43.3 to 59.5)35.3% (30.4 to 40.2)39.5% (33.0 to 46.0)
    Grade 5>25.2% (20.0 to 30.4)32.2% (24.6 to 39.8)17.2% (13.3 to 21.1)8.2% (4.6 to 11.8)
    Social–recreational15.0% (10.7 to 19.3)11.6% (6.4 to 16.8)29.4% (24.7 to 34.1)31.8% (25.6 to 38.0)
    State grade14.6% (10.4 to 18.8)4.8% (1.3 to 8.3)18.% (14.1 to 22.1)20.5% (15.2 to 25.8)