BMC Health Services Research

Table 1 Cohort table: Proportion of dentate persons who avoided or delayed visiting the dentist in the previous 12 months because of cost, by age group, birth cohort and data collection year (weighted%, unweighted sample n)

From: Trends in dental visiting avoidance due to cost in Australia, 1994 to 2010: an age-period-cohort analysis

	Year of data collection
	1994				1999				2004				2010
Age group (years)	Birth cohort^a	Sample n	%	SE	Birth cohort^a	Sample n	%	SE	Birth cohort^a	Sample n	%	SE	Birth cohort^a	Sample n	%	SE
5-9	[4]	563	12.5	1.88	[3]	446	9.3	1.81	[2]	578	6.9	1.24	[1]	946	12.4	1.55
10-14	[5]	510	15.0	2.20	[4]	461	11.1	2.22	[3]	710	9.9	1.40	[2]	1143	15.3	1.48
15-19	[6]	460	17.7	2.31	[5]	470	15.0	2.82	[4]	748	13.5	1.53	[3]	1189	19.6	1.88
20-24	[7]	567	31.3	2.49	[6]	372	27.6	3.17	[5]	610	32.2	2.26	[4]	416	32.3	3.09
25-29	[8]	647	33.7	2.46	[7]	517	36.8	3.10	[6]	739	46.3	2.38	[5]	320	40.2	3.88
30-34	[9]	721	35.5	2.27	[8]	586	32.5	2.81	[7]	1135	39.9	1.84	[6]	445	36.0	3.37
35-39	[10]	596	32.4	2.62	[9]	591	29.0	2.62	[8]	1335	34.6	1.61	[7]	615	39.1	2.95
40-44	[11]	519	25.5	2.65	[10]	580	34.4	2.85	[9]	1375	38.0	1.60	[8]	716	32.6	2.38
45-49	[12]	472	23.4	2.50	[11]	533	29.3	2.96	[10]	1318	33.2	1.61	[9]	725	36.5	2.51
50-54	[13]	437	24.1	2.81	[12]	596	24.4	2.34	[11]	1216	29.9	1.63	[10]	760	29.6	2.20
55-59	[14]	358	23.0	2.94	[13]	439	26.1	3.21	[12]	1277	24.8	1.45	[11]	711	26.6	2.16
60-64	[15]	325	15.4	2.38	[14]	379	23.1	2.89	[13]	946	25.1	1.63	[12]	560	25.2	2.25
65-69	[16]	301	17.7	2.74	[15]	323	24.3	3.24	[14]	760	22.3	1.77	[13]	373	20.9	2.49
70-74	[17]	243	16.2	3.04	[16]	274	19.8	3.33	[15]	558	22.8	2.08	[14]	226	25.3	4.00
75-79	[18]	126	15.6	4.01	[17]	190	12.1	3.14	[16]	453	17.9	2.11	[15]	133	21.2	4.78
80-84	[19]	63	8.2	4.54	[18]	105	12.8	4.67	[17]	264	8.1	1.85	[16]	95	11.9	3.74
85-89	[20]	14	—	—	[19]	30	8.8	5.47	[18]	100	11.4	3.59	[17]	48	14.7	7.19
90-94	[21]	6	—	—	[20]	7	12.3	11.91	[19]	17	6.0	5.91	[18]	10	4.2	4.41
Total		6,928	24.2	0.69		6,901	24.5	0.77		14,140	27.3	0.48		9,432	28.2	0.73

^aBirth cohorts: #1: born between 2000–2004; #2: 1995–1999; #3: 1990–1994; #4: 1985–1989; #5: 1980–1984; #6: 1975–1979; #7: 1970–1974; #8: 1965–1969; #9: 1960–1964; #10: 1955–1959; #11: 1950–1954; #12: 1945–1949; #13: 1940–1944; #14: 1935–1939; #15: 1930–1934; #16: 1925–1929; #17: 1920–1924; #18: 1915–1919; #19: 1910–1914; #20: 1905–1909; #21: 1900–1904.

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