What is your age group? (10-40) years 131__ (40-50) years 124__ (50 years+) 226

males 265___ females 232

Is your hearing good? 354___ average? 120___ poor? 12___ partially or totally deaf? 14

How long have you heard the Hum 1 year? 177___ 2 years? 85___ 3 years and more? 228

Is the Hum louder indoors? 414___ or outdoors? 14___ the same? 70

Is the Hum louder at night? 361___ daytime? 10___ the same? 126

Is the Hum louder upstairs? 176___ downstairs? 33___ the same? 270

Is the Hum louder at weekends? 67 ___ less than a weekday? 22 ___ the same? 394

Is the Hum worse laying down? 116___sitting? 4___or the same? 155

Do you suffer from any of the following symptoms which you can associate with the Hum
Headaches 129__ Insomnia? 212__ Nausea? 70__ Fatigue? 183__ Tension? 165__Difficulty concentrating? 162
Pins and needles? 65__Heart palpitations? 95__Earache? 71__ Aching muscles? 94__ Memory loss? 94

Is your house stone built? 73___ brick built? 285___ timber? 105___ other? 34

Is the roof of your house pointed? 465___ or flat? 33

Is your location rural? 211___ or urban? 286

Is your house on a hill or high ground yes? 209___ no? 294

Is your house built on hard bedrock yes? 180___ no? 289

Are you now or as a child prone to motion sickness yes? 97___no? 182

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