Table 3. Influences on test-adjusted chlamydia notification rates by sex, New South Wales, Australia, 2000 to 2010.

	Males				Females
	Rate ratio	95% CI	LR Test (DF)	p	Rate ratio	95% CI	LR Test (DF)	p
Year (trend)	0.96	0.94–0.99	6.68 (1)	0.0098	0.95	0.93–0.96	37.67 (1)	< 0.0001
Age group
(REF: ≥ 45 years)			519.41 (4)	< 0.0001			536.62 (4)	< 0.0001
15–19 years	3.59	3.21–4.01			4.70	3.74–5.90
20–24 years	2.76	2.35–3.25			3.26	2.50–4.27
25–34 years	2.07	1.80–2.39			1.97	1.58–2.47
35–44 years	1.32	1.17–1.50			1.05	0.88–1.27
Remoteness areas
(REF: Rural and remote)			62.42 (2)	< 0.0001			55.73 (2)	< 0.0001
Metropolitan	1.45	1.32–1.59			1.38	1.27–1.50
Inner regional	1.29	1.17–1.41			1.29	1.18–1.41
Socioeconomic disadvantage
(REF: Low)			31.99 (2)	< 0.0001			32.33 (2)	< 0.0001
Middling	1.20	1.12–1.28			1.22	1.14–1.30
High	1.06	0.98–1.16			1.15	1.06–1.24
Medicare provider density
(REF: Low)			35.30 (2)	< 0.0001	Not included in female model
Middling	0.73	0.61–0.88
High	1.02	0.84–1.23
Year * MPD
(REF: Low)			36.99 (2)	< 0.0001	Not included in female model
Middling	1.03	1.00–1.06
High	0.98	0.95–1.01

Note: Year (trend) centred at 1999; adjusted model – adjusted using the logarithm of the directly age-standardized testing rate per 100 000 person years.

CI, confidence interval; LR, likelihood ratio; DF, degrees of freedom; p, probability value; and MPD, medicare provider density