Table 7.

Comparison of job satisfaction according to dental technicians’ demographics and working characteristics

Variables	n	Mean ± SD	Test statistic	p	Post-hoc comparison
Sex
Male	211	26.05 ± 7.45	− 0.125	0.901
Female	125	26.16 ± 7.98
Age group (years)
20–29	232	26.00 ± 7.86	0.049	0.953
30–39	79	26.28 ± 6.51
≥ 40	26	26.27 ± 8.88
Highest educational level
Senior/vocational high school or lower	21	25.00 ± 7.67	0.678	0.508
Junior college	198	25.79 ± 7.62
College or higher	117	26.65 ± 7.61
Job position
Employer	18	31.72 ± 8.33	3.342	0.001
Employee	313	25.64 ± 7.46
Working hours (per week)
< 40 a	15	32.07 ± 7.21	4.576	0.004	a > b, c, d
40–49 b	162	26.49 ± 7.35
50–59 c	115	24.91 ± 7.24
≥ 60 d	40	24.88 ± 9.03
Salary (per month, NT dollars)
< 23,000	15	26.47 ± 7.80	0.982	0.418
23,001–30,000	100	24.78 ± 6.73
30,001–40,000	159	26.49 ± 8.03
40,001–50,000	33	26.21 ± 5.22
≥ 50,001	27	27.11 ± 9.78
Geographical area of workplace
Taipei metro area	93	25.15 ± 7.69	1.064	0.374
Taichung city	97	25.94 ± 7.77
Kaohsiung city	86	27.17 ± 7.94
Taoyuan city	32	25.22 ± 6.88
Other cities	28	27.25 ± 6.63
Work experience (years)
< 10	296	25.95 ± 7.46	− 0.852	0.395
≥ 10	42	27.02 ± 8.67
Job duties
CDTs only	239	25.60 ± 7.16	1.678	0.188
DDTs only	48	27.25 ± 7.52
Both	51	27.27 ± 9.47

Numbers in bold indicate statistically significant differences. ^a: < 40 hours; ^b: 40–49 hours; ^c: 50–59 hours; ^d: ≥ 60 hours