Table 3.

Mean and standard deviation (between brackets) are reflected for (subscales of) YANS, BAHPHL, and weekly equivalent noise exposure (L_Aeq,w) in dBA in both the sessions and for subjects with decreased (n = 4), no change in (n = 65), and increased (n = 9) use of HPDs

Questionnaire			Session	Use of HPDs
				Decreased	No change	Increased
YANS	F1	Elements of youth culture	1	1.94 (0.22)	2.18 (0.55)*	2.64 (0.46)*
			2	1.81 (0.26)	2.07 (0.44)*	2.03 (0.57)*
	F2	Concentrate in noisy environment	1	2.25 (0.83)	2.45 (0.86)	2.52 (0.90)
			2	2.42 (1.29)	2.49 (0.93)	2.74 (0.72)
	F3	Daily noises	1	3.06 (0.43)	3.23 (0.80)	3.50 (0.80)
			2	3.31 (0.63)	3.33 (0.76)	3.58 (0.56)
	F4	Intent to influence sound environment	1	1.44 (0.43)	1.89 (0.58)	1.83 (0.68)
			2	1.38 (0.32)	1.89 (0.55)	2.03 (0.52)
	Total		1	2.12 (0.17)	2.38 (0.42)	2.63 (0.36)
			2	2.13 (0.41)	2.36 (0.38)	2.47 (0.29)
BAHPHL	F1	Susceptibility to hearing loss	1	1.46 (0.58)	1.60 (0.46)	1.57 (0.43)
			2	1.21 (0.21)	1.52 (0.39)	1.54 (0.39)
	F2	Severity of consequences of hearing loss	1	1.75 (1.50)	1.55 (0.49)	1.33 (0.41)
			2	1.00 (0.00)	1.42 (0.48)	1.33 (0.44)
	F3	Benefits of preventive action	1	1.42 (0.32)	1.69 (0.53)	1.78 (0.55)
			2	1.17 (0.33)	1.61 (0.51)	1.33 (0.37)
	F4	Barriers to preventive action	1	3.06 (1.25)	2.80 (0.79)	2.97 (0.93)
			2	3.13 (1.36)	2.78 (0.79)	2.83 (1.08)
	F5	Behavioral intentions	1	2.50 (0.58)	2.58 (1.11)*	3.30 (0.79)*
			2	2.83 (0.58)	2.31 (1.09)*	2.04 (1.01)*
	F6	Social norms	1	3.38 (1.11)	3.26 (0.93)	4.06 (0.63)
			2	3.50 (1.08)	2.96 (1.01)	3.11 (0.86)
	F7	Self-efficacy	1	2.67 (0.72)	2.70 (0.67)*	3.56 (0.73)*
			2	2.92 (1.40)	2.40 (0.77)*	2.44 (0.44)*
LAeq,w			1	65.98 (8.67)	70.55 (8.13)	69.39 (9.45)
			2	64.66 (12.30)	67.49 (9.83)	70.05 (9.95)

Significant results between the difference in scores of attitudes and noise exposure at both sessions for different usage of HPDs are marked with an asterisk