The association between triglyceride glucose index and arthritis: a population-based study

Table 1 Baseline characteristics of the study population according to the TyG index in NHANES 2007–2018

	Overall (5.64–12.84)	Tertile 1 (5.64–8.30)	Tertile 2 (8.30–8.85)	Tertile 3 (8.85–12.84)	P value
Age (%)					< 0.001
Below60	65.33	74.66	62.70	58.64
Over60	34.67	25.34	37.30	41.36
Sex (%)					< 0.001
Male	48.82	40.75	49.95	55.74
Female	51.18	59.25	50.05	44.26
Race (%)					< 0.001
Mexican American	15.26	10.53	15.52	19.72
Other Hispanic	10.95	8.75	11.48	12.63
Non-Hispanic White	41.49	38.24	42.36	43.86
Non-Hispanic Black	20.02	29.31	18.58	12.19
Other Races	12.28	13.17	12.06	11.60
Marital status (%)					< 0.001
Married or with partner	59.70	56.31	60.38	62.42
Single	40.30	43.69	39.62	37.58
Education level (%)					< 0.001
Less than high school	25.22	19.14	25.25	31.28
High school or GED	22.59	20.88	23.69	23.21
Above high school	52.19	59.98	51.06	45.51
PIR (%)					0.004
< 1	21.76	20.92	21.46	22.91
1–5	61.38	60.75	60.72	62.67
>=5	16.86	18.33	17.82	14.41
BMI category (%)					< 0.001
Normal weight	429.07	45.00	27.59	14.53
Overweight	33.04	29.34	35.76	34.05
Obese	37.89	25.66	36.65	51.43
Vigorous activity (%)					0.307
Yes	19.41	20.06	19.31	18.85
No	80.59	79.94	80.69	81.15
Moderate activity (%)					0.014
Yes	36.69	38.22	36.42	35.42
No	63.31	61.78	63.58	64.58
Hypertension (%)					< 0.001
Yes	37.43	27.00	36.47	48.84
No	62.57	73.00	63.53	51.16
Diabetes					< 0.001
Yes	13.99	4.83	10.19	27.10
No	12,426	95.17	89.81	72.90
Triglyceride (mg/dl)	101.00 ± 79	61.00 ± 23	103.00 ± 28	177.00 ± 82	< 0.001
Glucose (mg/dl)	101.00 ± 18	95.00 ± 12	101.00 ± 14	111.00 ± 35	< 0.001
TyG index	8.57 ± 0.87	7.98 ± 0.41	8.57 ± 0.27	9.23 ± 0.54	< 0.001
Arthritis (%)					< 0.001
Yes	28.29	21.67	29.14	34.04
No	71.71	78.33	70.86	65.96

ISSN: 1476-511X