Table 2. Open in new tab Correct...

	Emergent intervention group	Emergent comparison group
Need for sunscreen on a cloudy day	33 [70]	56 [69]	+33	30 [49]	38 [50]	+16
Need to wear sunglasses to protect eyes	56 [69]	67 [70]	+16	42 [50]	43 [50]	+2
Awareness of sun exposure as a risk factor for skin cancer	61 [69]	67 [70]	+9	46 [50]	43 [50]	−6
Need to apply sunscreen more than once per day	52 [69	57 [70]	+7	36 [50]	44 [50]	+16
Need for sun protection when working outdoors for less than one hour	7 [69]	6 [70]	−1	9 [50]	6 [50]	−6

	Emergent intervention group	Emergent comparison group
Need for sunscreen on a cloudy day	33 [70]	56 [69]	+33	30 [49]	38 [50]	+16
Need to wear sunglasses to protect eyes	56 [69]	67 [70]	+16	42 [50]	43 [50]	+2
Awareness of sun exposure as a risk factor for skin cancer	61 [69]	67 [70]	+9	46 [50]	43 [50]	−6
Need to apply sunscreen more than once per day	52 [69	57 [70]	+7	36 [50]	44 [50]	+16
Need for sun protection when working outdoors for less than one hour	7 [69]	6 [70]	−1	9 [50]	6 [50]	−6

Table 2.

Correct knowledge on sun safety at pre- and post-intervention

	Emergent intervention group			Emergent comparison group
	Baseline correct n [valid cases]	Follow-up correct n [valid cases]	% change^a	Baseline correct n [valid cases]	Follow-up correct n [valid cases]	% change^a
Need for sunscreen on a cloudy day	33 [70]	56 [69]	+33	30 [49]	38 [50]	+16
Need to wear sunglasses to protect eyes	56 [69]	67 [70]	+16	42 [50]	43 [50]	+2
Awareness of sun exposure as a risk factor for skin cancer	61 [69]	67 [70]	+9	46 [50]	43 [50]	−6
Need to apply sunscreen more than once per day	52 [69	57 [70]	+7	36 [50]	44 [50]	+16
Need for sun protection when working outdoors for less than one hour	7 [69]	6 [70]	−1	9 [50]	6 [50]	−6

	Emergent intervention group			Emergent comparison group
	Baseline correct n [valid cases]	Follow-up correct n [valid cases]	% change^a	Baseline correct n [valid cases]	Follow-up correct n [valid cases]	% change^a
Need for sunscreen on a cloudy day	33 [70]	56 [69]	+33	30 [49]	38 [50]	+16
Need to wear sunglasses to protect eyes	56 [69]	67 [70]	+16	42 [50]	43 [50]	+2
Awareness of sun exposure as a risk factor for skin cancer	61 [69]	67 [70]	+9	46 [50]	43 [50]	−6
Need to apply sunscreen more than once per day	52 [69	57 [70]	+7	36 [50]	44 [50]	+16
Need for sun protection when working outdoors for less than one hour	7 [69]	6 [70]	−1	9 [50]	6 [50]	−6

^aWe compared change in correctness in the intervention and comparison groups. Using chi-square test we compared the proportion of participants (intervention versus comparison) that were incorrect at baseline and then correct at follow-up. All changes failed to reach statistical significance at P < 0.05.

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