Table 3. Paired samples t-tests for dengue incidence 1 year before and 1–5 years after deforestation and corresponding random years.

	N	Mean of the differences	95% CI	t	df	p
1 year after deforestation	57	56.64	-34.26–147.55	1.25	56	0.217
Random 2-year time lag	61	65.52	-4.39–135.43	1.87	60	0.066
2 years after deforestation	59	31.27	10.21–52.22	2.99	58	0.004*
Random 3-year time lag	61	16.77	-41.32–74.86	0.58	60	0.566
3 years after deforestation	59	55.47	20.60–90.35	3.18	59	0.002*
Random 4-year time lag	58	41.63	1.28–81.97	2.07	57	0.043*
4 years after deforestation	58	57.60	-0.90–116.10	1.97	57	0.054
Random 5-year time lag	60	18.13	-18.09–54.35	1.00	59	0.321
5 years after deforestation	58	67.71	4.78–130.63	2.15	57	0.035*
Random 6-year time lag	60	27.26	-6.63–61.15	1.61	59	0.113

* significance on the p < 0.05 level