Table 5 Association of socio-demographics, CVD ^a-related knowledge and perception with overall frequency and habit regarding eating among participating adolescent school-students of Kolkata (N = 1652)

1.24(1.05–1.47)

0.011

1.23(1.00–1.53)

0.054

0.82(0.69–0.98)

0.031

0.70(0.56–0.89)

0.003

Gender of student (Reference = Female)

Male

1.04(0.78–1.39)

0.791

1.35(0.93–1.97)

0.116

1.17(0.87–1.56)

0.302

0.88(0.61–1.26)

0.480

Socio-economic status (Reference = Lower)

Middle

1.44(0.96–2.14)

0.077

2.58(1.35–4.91)

0.004

0.89(0.60–1.33)

0.576

1.45(0.89–2.36)

0.135

Upper

5.88(3.65–9.48)

<0.001

6.75(3.28–13.89)

<0.001

0.67(0.42–1.06)

0.083

0.23(0.11–0.47)

<0.001

Family history of CVD death (Reference = No)

Yes

1.01(0.72–1.41)

0.973

0.99(0.63–1.56)

0.957

1.10(0.78–1.55)

0.594

0.79(0.52–1.21)

0.283

Level of knowledge regarding

CVD (Reference = Poor)

Average

1.52(1.10–2.09)

0.011

1.46(0.95–2.24)

0.082

0.79(0.57–1.10)

0.158

0.93(0.63–1.37)

0.703

Good

1.25(0.87–1.78)

0.234

1.47(0.93–2.34)

0.099

0.85(0.60–1.22)

0.377

0.90(0.58–1.42)

0.658

Blood pressure and its abnormalities (Reference = Poor)

Average

1.32(0.97–1.80)

0.073

1.41(0.94–2.11)

0.093

0.91(0.67–1.24)

0.546

0.63(0.42–0.93)

0.021

Good

1.03(0.65–1.62)

0.906

1.56(0.91–2.69)

0.107

0.62(0.39–1.00)

0.048

0.85(0.50–1.46)

0.556

Risk factors for CVD (Reference = Poor)

Average

1.49(1.08–2.05)

0.017

1.23(0.79–1.90)

0.357

0.96(0.70–1.33)

0.822

0.62(0.41–0.93)

0.020

Good

1.71(1.19–2.47)

0.004

1.84(1.17–2.91)

0.009

0.78(0.54–1.13)

0.192

0.77(0.50–1.19)

0.238

Prevention of CVD (Reference = Poor)

Average

1.26(0.92–1.72)

0.146

1.32(0.88–1.97)

0.175

0.99(0.72–1.36)

0.946

0.86(0.59–1.26)

0.446

Good

1.83(1.21–2.77)

0.004

1.46(0.85–2.52)

0.169

1.10(0.73–1.65)

0.640

0.73(0.42–1.28)

0.274

Healthy nutritional habits (Reference = Poor)

Average

1.27(0.93–1.75)

0.135

1.13(0.74–1.73)

0.5645

0.98(0.71–1.36)

0.921

0.77(0.51–1.14)

0.186

Good

1.29(0.87–1.90)

0.202

1.69(1.05–2.71)

0.032

0.96(0.65–1.41)

0.835

0.70(0.43–1.16)

0.166

CVD and their prevention (Overall) (Reference = Poor)

Average

1.38(1.01–1.88)

0.046

0.97(0.63–1.48)

0.878

0.89(0.65–1.23)

0.480

0.90(0.62–1.30)

0.564

Good

2.09(1.39–3.14)

<0.001

2.19(1.34–3.58)

0.002

0.80(0.54–1.18)

0.259

0.55(0.32–0.94)

0.028

Perception about

Own body size (Reference = Normal)

Underweight

0.93(0.63–1.38)

0.721

0.66(0.38–1.16)

0.147

0.97(0.65–1.46)

0.890

0.83(0.50–1.36)

0.456

Overweight

0.61(0.44–0.86)

0.004

0.57(0.36–0.90)

0.015

1.23(0.87–1.72)

0.240

1.23(0.82–1.85)

0.320

Own risk for future CVD (Reference = No)

Yes

0.86(0.59–1.25)

0.434

1.55(1.00–2.40)

0.048

0.54(0.36–0.80)

0.002

0.65(0.41–1.03)

0.067

Overall health (Reference = Good)

Average

0.87(0.64–1.17)

0.353

1.12(0.76–1.66)

0.578

0.85(0.62–1.15)

0.287

0.84(0.58–1.22)

0.367

Poor

0.78(0.38–1.61)

0.504

1.73(0.79–3.82)

0.173

0.63(0.30–1.33)

0.226

0.82(0.35–1.89)

0.634