Table 2.

Trend analysis of gross and stratified eutrophy, overweight and obesity rates by sex and age for every 1,000 care records of Brazilian immigrants in Massachusetts, USA, 2009–2020

	Model	R2 (%)	p value	Trend (quadratic term)
Gross rate
Eutrophy	y = 362.727 – (7.243x)	99.0	<0.001	Decreasing
Overweight	y = 387.056 + (2.985x) – (0.588x2)	90.0	<0.001	Decreasing
Obesity	y = 239.001 + (4.655x) + (0.581x2)	96.0	<0.001	Increasing
Stratified rate Men  Eutrophy
18–32 years old	y = 394.623 – (2.541x)	28.0	<0.05	Decreasing
33–47 years old	y = 210.811 – (6.854x)	94.0	<0.001	Decreasing
48–60 years old	y = 192.071 + (3.422x) – (1.347x2)*	39.0	<0.05	Decreasing
Overweight
18–32 years old	y = 385.419 – (4.082x)	69.0	0.001	Decreasing
33–47 years old	y = 502.357 – (1.395x) – (1.426x2)*	86.0	<0.001	Decreasing
48–60 years old	y = 494.130 – (2.700x)	40.0	<0.05	Decreasing
Obesity
18–32 years old	y = 207.468 + (5.354x)	84.0	<0.001	Increasing
33–47 years old	y = 282.276 + (8.034x) + (1.672x2)	97.0	<0.001	Increasing
48–60 years old	y = 311.385 – (1.035x) + (1.445x2)*	37.0	0.05	Increasing
Women  Eutrophy
18–32 years old	y = 537.479 – (7.213x) – (0.608x2)	89.0	<0.001	Decreasing
33–47 years old	y = 432.862 – (4.411x) – (1.464x2)	92.0	<0.001	Decreasing
48–60 years old	y = 302.573 + (4.749x) – (0.991x2)	71.0	0.001	Decreasing
Overweight
18–32 years old	y= 268.628 + (4.158x)	87.0	<0.001	Increasing
33–47 years old	y = 336.992 + (3.814x) + (0.573x2)	89.0	<0.001	Increasing
48–60 years old	y= 409.522 – (3.365x)	43.0	<0.05	Decreasing
Obesity
18–32 years old	y = 166.214 + (3.728x) + (0.534x2)	84.0	<0.001	Increasing
33–47 years old	y = 221.537 + (1.315x) + (0.728x2)	72.0	0.001	Increasing
48–60 years old	y = 285.253 – (1.250x) + (0.839x2)*	58.0	<0.01	Increasing

BMI obtained from medical records. Rate per 1,000 records. Eutrophy: BMI 18.50–24.99 kg/m²; overweight: BMI 25.0–29.99 kg/m²; obesity: BMI ≥30 kg/m².

^*Only x² was significant.