Table 3 Univariate and multivariate analyses on factors associated with hypertension at study entry, by stepwise logistic regression

Age at diagnosis

1.243

0.869–1.779

0.2343

  ≤ 35

1

-

 36–40

1.000

0.429–2.331

1.0000

 41–45

1.417

0.658–3.050

0.3727

>/= 1 children before breast cancer diagnosis

1.291

0.715–2.332

0.3695

1st degree relative with breast cancer

0.926

0.316–2.715

0.8885

ER positive

0.517

0.298–0.895

0.0186

PR positive

0.712

0.419–1.213

0.2115

HER2 over-expression

1.187

0.610–2.309

0.6134

Received adjuvant radiotherapy

0.866

0.508–1.477

0.5984

Received adjuvant taxane-containing chemotherapy

0.887

0.501–1.568

0.6790

Duration of adjuvant chemotherapy >64 days

0.828

0.483–1.420

0.4928

Received corticosteroid premedication during chemotherapy

1.046

0.410–2.667

0.9251

Received adjuvant tamoxifen therapy

0.557

0.313–0.990

0.0462

Received adjuvant trastuzumab

1.352

0.316–5.789

0.6846

Use of traditional Chinese medicine since diagnosis

0.947

0.542–1.655

0.8486

Education

0.789

0.507–1.228

0.2936

 Primary school

1

-

-

 Secondary school

0.907

0.461–1.787

0.7784

 Tertiary school + Higher qualification

0.609

0.246–1.509

0.2840

Employment- Working

0.815

0.485–1.369

0.4397

Family income </= HK$ 25,000

0.753

0.441–1.287

0.3000

Ever Smoker

0.271

0.033–2.198

0.2214

Ever excessive alcohol intake (>2 units/day)

-

-

0.9877

Chemotherapy-related amenorrhea

0.778

0.329–1.838

0.5665

Post/peri- menopausal at study entry

0.930

0.559–1.548

0.7808

Weight gain >2% at study entry

1.095

0.644–1.864

0.7371

Total Cholesterol >/= 5.2 mmol/L

1.475

0.865–2.516

0.1534

LDL Cholesterol >/= 2.6 mmol/L

1.762

1.027–3.021

0.0396

HDL Cholesterol </= 1.0 mmol/L

1.842

0.700–4.850

0.2160

Triglyceride >/=1.7 mmol/L

1.568

0.867–2.836

0.1364

Overweight/obese at study entry

2.751

1.608–4.707

0.0002

Age at study entry

1.173

0.852–1.614

0.3273

  ≤ 40

1

-

 41–45

1.929

0.738–5.037

0.1799

 46–50

1.774

0.720–4.371

0.2126

  > 50

2.057

0.623–6.794

0.2367