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. 2024 Feb 13;10:e51172. doi: 10.2196/51172

Table 2.

Temporal trend analysis of newly reported HIV infections among older adults in Zhejiang Province (2004-2021).

Variables and segment end points (lower-upper) Annual percent change (95% CI) Average annual percent change (95% CI) Trend segment
Overall 28.0 (21.6 to 34.8) 3

2004-2010 61.1 (37.9 to 88.2)


2010-2017 22.0 (17.2 to 27.1)


2017-2021 –1.3 (–5.8 to 3.4)

Sex

Male 27.6 (19.8 to 36.0) 3


2004-2010 62.0 (33.5 to 96.6)



2010-2017 23.7 (18.0 to 29.8)



2017-2021 –5.8 (–10.8 to –0.5)


Female 26.6 (18.5 to 35.2) 3


2004-2010 51.5 (24.5 to 84.3)



2010-2018 20.1 (14.8 to 25.7)



2018-2021 1.6 (–8.1 to 12.4)

Routes of transmission

Heterosexual transmission 28.7 (20.8 to 35.2) 3


2004-2010 60.0 (34.8 to 89.9)



2010-2017 23.0 (17.7 to 28.6)



2017-2021 –2.5 (–7.3 to 2.5)


Homosexual transmission 42.4 (23.2 to 64.5) 3


2004-2010 111.3 (34.0 to 233.1)



2010-2015 25.8 (12.7 to 40.4)



2015-2021 6.4 (2.7 to 10.2)


Other routes or unknown 10.2 (–15.3 to 43.3) 3


2004-2010 29.9 (0.1 to 68.6)



2010-2013 –42.0 (–88.0 to 179.8)



2013-2021 23.9 (8.9 to 40.8)