Table 4b.

Factors associated with technically troubled dialysis

	TTD		Univariate analysis		Multivariate analysis
Predictor	No	Yes	OR (95% CI)	P	P (Overall)	OR (95% CI)	P	P (Overall)
Total Sessions	7989	1384 (14.7%)
Sentiment
Positive	1155	367 (24.1%)	1			1
Neutral	5155	922 (15.2%)	5.62 (4.43–7.12)	<.001	<.001	2.67 (2.04–3.49)	<.001	<.001
Negative	1679	95 (5.4%)	3.16 (2.54–3.93)	<.001		1.56 (1.22–2)	0.003
Age
<40	1367	406 (22.9%)	1			1
40–49	650	249 (27.7%)	1.29 (1.07–1.55)	<.001		1.32 (1.06–1.64)	<.001	<.001
50–59	2151	590 (21.5%)	0.92 (0.8–1.07)	<.001		1.06 (0.9–1.25)	<.001
60–69	1829	93 (4.8%)	0.17 (0.14–0.22)	<.001		0.33 (0.25–0.42)	0.001
70+	1539	14 (0.9%)	0.03 (0.02–0.05)	<.001		0.1 (0.05–0.17)	<.001
Missing	453	32 (6.6%)	0.24 (0.16–0.35)	.03		0.37 (0.24–0.55)	0.072
Sex
Female	1745	815 (31.8%)	1			1
Male	6244	569 (8.4%)	5.13 (4.55–5.78)	<.001		5.04 (4.37–5.82)	<.001
App usage duration
(Continuous)	7989	1384 (14.7%)	1 (0.99–1)	.346		1.01 (1–1.01)	0.04
Weight Difference
(Continuous)	7989	1384 (14.7%)	1.86 (1.76–1.97)	<.001		1.86 (1.74–1.99)	<.001
Blood Pressure (pre-dialysis)
Normal	827	103 (11.1%)	1
Low	2373	348 (12.8%)	0.85 (0.67–1.07)	.006	<.001
High	4789	933 (16.3%)	1.33 (1.16–1.52)	<.001
Blood pressure (post-dialysis)
Normal	1123	131 (10.5%)	1			1
Low	3093	411 (11.7%)	0.88 (0.71–1.08)	<.001	<.001	0.55 (0.41–0.73)	<.001	<.001
High	3773	842 (18.2%)	1.68 (1.48–1.91)	<.001		2.01 (1.73–2.32)	<.001
Session duration
(Continuous)	7989	1384 (14.7%)	1.05 (1.04–1.06)	<.001

Abbreviations: CI, confidence interval; OR, odds ratio; TTD, technically troubled dialysis.