Table 3.
Associations of theory of planned behavior and participant characteristics
| n (%) | Behavioral intention | Attitude toward behavior | Subjective norm | PBC | |||||
|---|---|---|---|---|---|---|---|---|---|
| Mean (SD) | p | Mean (SD) | p | Mean (SD) | p | Mean (SD) | p | ||
| Sex | |||||||||
| Male | 44 (75.3) | 8.39 (1.47) | 0.83a | 41.74 (5.97) | 0.51a | 32.70 (6.43) | 0.36a | 5.15 (6.96) | 0.08a | 
| Female | 80 (24.7) | 8.35 (1.86) | 41.20 (7.11) | 33.45 (5.78) | 33.70 (4.68) | ||||
| Age, years | |||||||||
| 25–30 | 106 (32.7) | 8.22 (1.46) | 0.02b | 41.09 (6.81) | 0.48b | 31.55 (5.68) | 0.01b | 32.35 (5.33) | <0.001b | 
| 31–35 | 101 (31.2) | 8.09 (1.85) | 41.11 (7.05) | 32.54 (7.25) | 35.22 (6.56) | ||||
| 36–40 | 54 (16.7) | 8.69 (1.49) | 42.28 (5.43) | 33.63 (6.59) | 35.16 (6.55) | ||||
| 41–45 | 37 (11.4) | 8.92 (1.30) | 43.16 (4.53) | 35.08 (5.17) | 38.11 (7.20) | ||||
| 46–50 | 12 (3.7) | 8.50 (0.90) | 42.50 (4.52) | 34.00 (3.62) | 38.50 (4.52) | ||||
| >50 | 14 (4.3) | 9.00 (0.88) | 41.57 (3.20) | 35.93 (3.15) | 36.86 (7.13) | ||||
| Dental workforce type | |||||||||
| Dentists | 220 (67.9) | 8.31 (1.66) | 0.40b | 41.36 (6.41) | 0.48b | 33.20 (6.71) | 0.43b | 35.69 (6.56) | <0.001b | 
| Not dentists | 4 (1.2) | 9.90 (0.00) | 40.00 (0.00) | 32.00 (0) | 38.00 (0) | ||||
| Intern/student | 100 (30.9) | 8.52 (1.37) | 42.20 (6.03) | 32.24 (5.32) | 32.72 (5.98) | ||||
| Current position | |||||||||
| Academic | 60 (18.5) | 8.80 (1.34) | 0.004b | 42.93 (5.54) | 0.04b | 34.60 (5.97) | 0.07b | 36.53 (7.15) | <0.001b | 
| Clinical | 160 (49.4) | 8.10 (1.72) | 40.75 (6.63) | 32.50 (6.84) | 35.54 (6.28) | ||||
| Intern/student | 104 (32.1) | 8.58 (1.37) | 42.15 (5.91) | 32.50 (5.38) | 32.65 (5.87) | ||||
| Work affiliation | |||||||||
| Public | 240 (74.1) | 8.40 (1.59) | 0.02b | 41.57 (6.45) | 0.53b | 32.59 (6.74) | 0.12b | 34.57 (6.55) | 0.56b | 
| Private | 56 (17.3) | 8.00 (1.53) | 41.18 (6.25) | 33.03 (4.38) | 35.22 (6.05) | ||||
| Both | 28 (8.6) | 9.00 (1.27) | 42.79 (4.46) | 35.14 (4.94) | 35.79 (6.83) | ||||
| Nationality | |||||||||
| Saudi | 304 (93.8) | 8.35 (1.60) | 0.22 a | 41.59 (6.38) | 0.89a | 32.93 (6.44) | 0.61a | 34.72 (6.49) | 0.47a | 
| Non-Saudi | 20 (6.2) | 8.80 (1.01) | 41.80 (4.23) | 32.20 (2.93) | 35.80 (6.57) | ||||
| Education | |||||||||
| <Bachelors | 104 (32.1) | 8.52 (1.37) | 0.09b | 42.20 (6.03) | 0.23b | 32.24 (5.32) | 0.31b | 32.72 (5.98) | 0.001b | 
| = Bachelors | 132 (40.7) | 8.12 (1.74) | 40.79 (6.62) | 32.73 (7.03) | 35.48 (6.55) | ||||
| > Bachelors | 88 (27.2) | 8.59 (1.51) | 42.22 (6.03) | 33.91 (6.18) | 36.00 (6.59) | ||||
| Experience | |||||||||
| 0–5 years | 212 (65.4) | 8.30 (1.64) | 0.18b | 42.00 (6.25) | 0.01b | 32.87 (6.14) | 0.66b | 34.23 (6.29) | 0.21b | 
| 6–10 years | 64 (19.8) | 8.31 (1.66) | 41.44 (7.78) | 32.69 (7.31) | 36.00 (7.36) | ||||
| 11–15 years | 32 (9.9) | 8.75 (1.11) | 41.74 (3.40) | 34.00 (5.59) | 35.50 (5.16) | ||||
| 16–20 years | 0 | 0 | 0 | 0 | 0 | ||||
| >20 years | 16 (4.9) | 9.00 (0.73) | 36.75 (4.64) | 31.75 (4.97) | 35. 75 (7.32) | ||||
| Participation in dental infection–control activities | |||||||||
| Yes | 92 (28.4) | 8.57 (1.48) | 0.19a | 42.04 (6.73) | 0.43a | 33.87 (6.35) | 0.08a | 35.83 (6.63) | 0.07a | 
| No | 232 (71.6) | 8.31 (1.60) | 41.43 (6.07) | 32.50 (6.22) | 34.37 (6.40) | ||||
Notes: at-test used for significance; bANOVA used to test for significance. Bold p-values indicate significant relationships.
Abbreviation: PBC, perceived behavior control.